Federation Members
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Article in state of progress. Dates from The Guide take precedence.
Unsettled systems, planets, and other locations that fall under the governance of the United Federation of Planets are not represented here.
| Member | System | Native Species | State | Joined | Status | Note |
|---|---|---|---|---|---|---|
| Alpha Centauri Prime | Alpha Centauri | Centaurian | Alpha Centauri Concordium of Planets | 2161 | full | native Centaurians and Human colonists |
| Andoria | Procyon | Andorian & Aenar | Andorian Empire | 2161 | full | moon of Andor |
| Earth | Sol | Human | United Earth | 2161 | full | |
| Tellar Prime | 61 Cygni | Tellarite | United Planets of Tellar | 2161 | full | |
| Vulcan | 40 Eridani | Vulcan | Confederacy of Vulcan | 2161 | full | |
| Aaamazzara / Therbia / Therbu[1] | Epsilon Serpentis | Aaamazzarite | Aaamazzarite Eventuality[1] | 2216[1] | ||
| Abyss | Abyss Alpha | Confederacy of Vulcan | TBD | colony (Vulcan) | not using FASA history | |
| Achrady VII | Achrady | unknown if homeworld or colony | ||||
| Adelphous IV | Adelphous | Adelphousian | population wiped out in the Borg attack of 2381 | |||
| Adhara III | Adhara / Epsilon Canaris | Canaran | 2319[2] | |||
| Adhara IV | Adhara / Epsilon Canaris | see note | 2319 | colony (Earth) | moon of the planet Sa-na'Mdeihein which is the home of the na'mdeihei; moon hosts a Star Fleet base | |
| Adoss | Gamma Emerata | Confederacy of Vulcan | TBD | colony (Vulcan) | not using FASA history | |
| Aemusa 885 II | Aemusa 885 | Andorian Empire | TBD | colony (Andoria) | ||
| Aerie | TBD | Xindi Council | 2311 | colony (New Xindus) | ||
| Aesa IX | Aesa | Confederacy of Vulcan | TBD | colony (Vulcan) | not using FASA history | |
| aia'Hnnrihstei | TBD | aia'Han | Class M (or otherwise) moon of the planet Sa-na'Mdeihein | |||
| Ajilon Prime | Ajilon | Ajilon Colonial Government | TBD | colony (Earth) | settled from Earth in 2195; remained independent until joining (after 2267[3]) | |
| Akaali Prime | Akaali | Akaali | Akaali Government | became member prior to the 32nd century | ||
| Alaj | Alajian | 2356[4] | ||||
| Albireo II | Albireo / Beta Cygni / Cygnia Minor | Albireo Colonial Government | 2195 | former Federation colony; extremely remote colony; requires distance solution | ||
| Aldebaran IV | Aldebaran / Alpha Tarui | Aldebaran | Aldearan Combined Unions[1] | 2216[1] | indigenous population joined after colonization by Earth | |
| Alesia Prime | Alesia | Alesian | 2327[5] | |||
| Algol | Beta Persei | Algolian | Algolian Council | 2336[5] | ||
| Alonis | TBD | Alonis | 2336[6][7] | |||
| Alpha Braga IV | Alpha Braga | TBD | TBD | |||
| Alpha Braga VII | Alpha Braga | TBD | TBD | |||
| Alpha Brechtia II | Alpha Brechtia | TBD | TBD | Planet name is a placeholder; found (only) on StarTrekMap.com | ||
| Alpha Canaris III | Alpha Canaris | Alpha III Platonic Republic[1] | 2174[1] | colony | ||
| Alpha Canaris V | Alpha Canaris | 2163[5] | full[5] | |||
| Alpha Centauri III / Seldarian | Alpha Centauri | Alpha Centauri Concordium of Planets | 2161 | colony (Alpha Centauri Prime) | settled 2045 | |
| Alpha Kratonii IV | Alpha Kratonii | 2250[2] | colony | "planet" name is a placeholder; mining colonies may be planetary or beltside | ||
| Alpha Majoris I | Alpha Majoris / Dubhe | United Earth | 2266[2] | colony (Earth) | founded "in the mid-22nd century, shortly after the founding of the UFP" | |
| Alpha Proxima II | Alpha Proxima | 2189 | full | former Earth colony | ||
| Alpha Sigma IX | Alpha Sigma | 2334[2] | colony (Federation) | site of a Daystrom Institute facility | ||
| Alpha Sirius I | Sirius / Alpha Canis Majoris | United Earth | 2217 | colony (Earth) | established 2217[2] | |
| Alpha Sirius III | Sirius / Alpha Canis Majoris | 2163 | full | established 2100[2]; formerly joined (as a colony) in 2161; achieved full membership in the late 23rd century[2] | ||
| Alphosa | Fabrini Green | TBD | colony (TBD) | former site of a large Orion colony 2 millennia ago | ||
| Alrescha III | Alrescha / Alpha Piscium | the planet is a placeholder name | ||||
| Alshain IV / Beta Aquilae IV | Alshain / Beta Aquilae II | Alshain | TBD | |||
| Altair III | Altair / Alpha Aquilae | Altairian | Altair Quadrant[8] | 2176[8] | colony (Altair VI) | despite this being the homeworld of the Altairians, it fell into a "colony" relationship with Altair VI once the seat of government moved; see: changing UFP membership status related to Altair VI |
| Altair IV | Altair / Alpha Aquilae | Palkeo Est | Altair Quadrant | 2176 | colony (Altair VI) | see: changing UFP membership status related to Altair VI |
| Altair VI | Altair / Alpha Aquilae | Altair Quadrant | 2176[9][2] | full | withdraws 2239; rejoins as the Altair Quadrant (with Altair III & Altair IV) in 2269 | |
| Althos | Nakagima 62 | Bzzit Khaht | Bzzit Khaht Cooperative | TBD | ||
| Amartesu[1] | TBD | Amart Governate[1] | 2236[1] | former colony; achieved independence & membership | ||
| Amber | Beta Rigalia | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Amerind / Miramanee | Epsilon Beta / FGC-351772 | Human | 2268 | protectorate | possible it was discovered & protected prior to 2268 | |
| Amtal / Formality | Gamma Eta Dara | Andorian Empire | TBD | colony (Andoria) | ||
| Ana'Siuol | TBD | Ana'siuolo | 2235[6][2] | |||
| Anchorpoint | TBD | Anchorpoint Congress | 2223 | former colony, achieved independence and membership | ||
| Andorus[1] | TBD | New Andor[1] | 2236[1] | former Andoria colony; achieved independence & membership | ||
| Andros III | Andros | Androsian | 2358[5] | |||
| Angosia III | Angosia | Angosian | 2371[2] | had to be a number of years after 2366 (TNG: "The Hunted"), but by 2378 | ||
| Anarra | TBD | 2356 | colony (Alaj) | settled by former Etolosan exiles | ||
| Antares II / Alpha Antares II | Antares | Antarean | Antares Corona Worlds | 2192[1] | full | |
| Antares VIII / Beta Antares IV | Antares | Antares Corona Worlds | 2192[5] | colony (Antares II) | ||
| Antede III | Antede | Antedian | 2368[10][2] | |||
| Antica | Beta Renner | Antican | 2365[5] | same system as Selay | ||
| Antipathy IV | Antipathy | Andorian Empire | TBD | colony (Andoria) | ||
| Antos IV | Antos / Kappa Delphini | Antosian | Antosian Unity | 2257[5] | ||
| Aplithin | Archanis / Arcanis | 2197[11] | colony (Federation) | this system changes hands between the UFP & Klingons several times | ||
| Apollonia / Alpha Sigma X | Alpha Sigma | TBD | colony (Federation) | site of an agricultural & industrial colony | ||
| Arbaza | Arbazan | Arbazan | Arbazan Republic | 2300[5] | ||
| Arcadia | Vellun Gamma | Arcadian | Arcadian Free States | 2286[5] | ||
| Archer IV | Archer / 61 Ursae Majoris | 2205[2] | colony (Federation) | surveyed in 2151; remained uninhabited until discovery of antidote to toxic pollen was discovered in 2205[2] | ||
| Archer's Planet | TBD | United Earth | 2200[2] | colony (Earth) | ||
| Arcturus IV | Arcturus / Alpha Bootis | Arcturian | Arcturian Systems | 2212[5] | ||
| Ardana | Mu Leonis / Rasalas | Ardanan | Plutocracy of Ardana | 2263[12] | withdrew in 2269; re-joined 2307[2] | |
| Argal IV | TBD | TBD | 2202 | must have been colonized well-prior to the 2230s[2] | ||
| Argelius II | Argelius / Ciatella / Iota Leonis | Argelian | Argelian Star Union | 2230[1][6][5] | ||
| Argo / Hestalor | UFC 78856 | Auquan | 2274[2] | |||
| Arima | R-517 | Ariman | 2262 | before 2267[5]; continued membership contingent upon active cease-fire with Mazdan | ||
| Ariannus | Arianna | TBD | colony (Federation) | |||
| Arin'Sen | TBD | Arin'Sen | 2216[2] | |||
| Arkaria | TBD | Arkarian | 2253[2] | |||
| Arken II | Arken | Arkenite | Grand Lenthar of Arken[1] | 2165[13][1] | former subjects of the Andorian Empire; released in 2161 | |
| Armens | TBD | natives | 2309[2] | in SFC canon, Armens was an independent world that joined the UFP at some point after hosting the Treaty of Armens conference | ||
| Aronnia | TBD | Aronnian | 2253[14][1] | |||
| Arteline | TBD | Arteline | 2362[15] | |||
| Arvada III | Arvada | 2335[6][2] | former Federation colony world (2255); acquired membership in 2335 | |||
| Asiti Alpha II | Asiti Alpha | World Council | TBD | colony (Boliax) | ||
| Asiti Beta III | Asiti Beta | World Council | TBD | colony (Boliax) | ||
| Asiti Alpha II | Asiti Alpha | World Council | TBD | colony (Boliax) | ||
| Astral V | Astral | 2290[2] | ||||
| Atlec | Madena | Madenan[2] | Coalition of Madena | TBD | sister planet of Straleb | |
| Atrea IV | Atrea | Atrean | 2205[6][2] | |||
| 'aucdet IX | 'aucdet | natives[2] | 2301[2] | |||
| Aulac | Nadrax | Aulacri | 2246[5] | |||
| Aurelia II / Meriabii | Aurelia / Xi Herculis | Aurelian | Aurelian Directorate[1] | 2248[1][5] | ||
| Avalon | Caberhardt | United Earth | 2242[2] | colony (Earth) | "one of the first planets to undergo expansive terraforming" | |
| Axanar | Toredar / Epsilon Eridani / Delta Orcus / 18 Eridani | Axanarri | Republic of Axanar | 2167[2] | declared independence in August 2241[9]; rejoined 2250[9] | |
| Azati Prime | Azati | Xindi Council | 2311 | colony (New Xindus) | ||
| Azha I | Azha / Eta Eridani | TDB | colony (TDB) | |||
| Azha II | Azha / Eta Eridani | TDB | colony (TDB) |
| ||
| Ba'aja II | Ba'aja | TBD | TBD | |||
| Babel | Wolf 424 | 2161 | colony (Federation) | used as a neutral site prior to the Federation's founding | ||
| Babylon | Babylus | TBD | colony (Federation) | |||
| Bajor | B'hava'el | Bajoran | Third Republic of Bajor | 2376[16] | full | |
| Ba'ku | Ba'ku | 2377 | ||||
| Baladar | Beta Indi | Andorian Empire | TBD | colony (Andoria) | ||
| Balder's Planet | TBD | colony (TDB) | ||||
| Barabas | Baran | Andorian Empire | TBD | colony (Andoria) | ||
| Barasa Alpha IV | Barasa Alpha | World Council | TBD | colony (Boliax) | ||
| Barasa Beta II | Barasa Beta | World Council | TBD | colony (Boliax) | ||
| Baraza Gamma III | Baraza Gamma | World Council | TBD | colony (Boliax) | ||
| Bardex III | Bardex | TBD | colony (Federation) | |||
| Barrony | Zeta Hydra 281 | TBD | colony (Federation) | safe haven for escaped Orion slaves | ||
| Barsoom | Delta Gamma | 2173[2] | full | mining colony founded by Humans & Tellarites in the 22nd century[17] | ||
| Barzan II | Barzan | Barzan | 2417[2] | joined sometime in the early 25th century[18] | ||
| Baxter's World | Beta Minora | United Planets of Tellar | TBD | colony (Tellar) | agricultural & mining | |
| Benecia | Delta Majoris | Benecia Unus[1] | 2229[1] | Joined is a placeholder; settled well prior to 2229[19][1] | ||
| Benzar | Delta Pavonis | Benzite | Benzarian Commonwealth | 2366[20] | ||
| Berengaria V | Berengaria | TBD | colony (Federation) | |||
| Berengaria VII | Berengaria | Confederacy of Vulcan / United Earth | 2161 | full | joined shortly after Romulan War/UFP founding | |
| Beta III | C-111 / 43993 / FGC-611 / UFC 611 | Betan | Elders | 2267[21] | protectorate[2] | first visited in 2167[21] |
| Beta Aquilae II / Alshain II | Alshain / Beta Aquilae II | 2365 | joined NLT 2370[22] | |||
| Beta Myamid VIII | Beta Myamid | TBD | colony (Federation) | The Federation has a supply depot in order | ||
| Beta Sirius IX | Sirius / Alpha Canis Majoris | 2237[2][23] | colony | established in 2237[2][23] | ||
| BeTau IV | BeTau | Starbase 315 was commissioned in 2331 | ||||
| Betazed | Beta Zeta / Beta Veldonna | Betazoid | Betazed Ruling Council | 2273[24][2] | full | 2273: probationary status; 2294: full admittance |
| Betelgeuse II | Betelgeuse / Alpha Orionis | Betelgeusian | Betelgeusian Empire | 2230[25] | ||
| Betelgeuse IV / Hav'a'halar | Betelgeuse / Alpha Orionis | Betelgeusian | Betelgeusian Empire | 2230[25] | ||
| Betelgeuse XIII | Betelgeuse / Alpha Orionis | Betelgeusian | Betelgeusian Empire | 2230[25] | ||
| B'hal Ta | 2376 | colony (Bajor) | ||||
| Bijan | Bijani | 2332 | "encountered by the United Federation of Planets during the 24th century"[26] | |||
| Bilana III | Bilana | Bilannan | 2317[6][2][27] | |||
| Binderia | Binderian | 2178 | ||||
| Blackart | Alpha Vergoris | United Planets of Tellar | TBD | colony {Tellar) | ||
| Blithinia | Boron 437 | United Planets of Tellar | TBD | colony {Tellar) | ||
| Bolari Alpha IV | Bolari Alpha | World Council | TBD | colony (Boliax) | ||
| [[Bolari Beta II] | Bolari Beta | World Council | TBD | colony (Boliax) | ||
| Boliax / Bolarus XI | Bolarus | Bolian | World Council | 2270[28][29][2] | full | same system as Ki'siu , Motal, Ral'Nar, & Rim |
| Bonanza | Aegis Aquila | TBD | colony (Federation) | |||
| Boragus A | Tellar | United Planets of Tellar | 2161 | colony (Tellar Prime) | ||
| Boragus D | Tellar | United Planets of Tellar | 2161 | colony (Tellar Prime) | ||
| Boragus E | Tellar | United Planets of Tellar | 2161 | colony (Tellar Prime) | ||
| Borigris | Borigrass | TBD | colony (Federation) | |||
| Borom | Alpha Quarram | Andorian Empire | TBD | colony (Andoria) | ||
| Brantik | Pree' / Iota Piscium | United Planets of Tellar | 2243[2] | colony (Tellar Prime) | ||
| Braxton | Zeta Minoris | Andorian Empire | TBD | colony (Andoria) | ||
| Bre'el IV | Bre'el | Bre'ella | Bre'ellan Alliance | 2349[6][2] | ||
| Brentalia | TBD | TBD | protectorate | designated as a "protected" planet where endangered lifeforms from different worlds could be brought and later be reestablished on their homeworlds | ||
| Brijac Alpha III | Brijac Alpha | World Council | TBD | colony (Boliax) | ||
| Brijac Beta IV | Brijac Beta | World Council | TBD | colony (Boliax) | ||
| Buran | Burani | United Nations of Buran | TBD | |||
| Burran Alpha II | Burran Alpha | World Council | TBD | colony (Boliax) | ||
| Burran Beta III | Burran Beta | World Council | TBD | colony (Boliax) | ||
| Bynaus / 101100010100110 | Beta Magellan / Sigma Regonis | Bynar | Bynar Domains | TBD |
| |
| Cairn / Vair | Visium | Cairn | Cairn Khaganate | 2370[6] | ||
| Cait | 15 Lyncis | Caitian | Caitian Union | 2249[30] | full | first contact (by Federation) in 2219 |
| Calanara | Sapum | Calanu Confederacy[1] | 2230[1] | settled in 2048 as a private Vulcan preserve; achieved independence & membership | ||
| Calder II | Calder | colony (Federation) | ||||
| Caldik Prime | Caldik | unknown if a homeworld or a colony | ||||
| Caldos II | Caldos / Beta Octantis | 2334[6][2] | colony (Federation) | |||
| Caleb IV[31] | Kaleb[32] / Caleb / Chi Eridani | TBD | colony (Federation) | note the spelling difference (C vs K) between planets and (preferred) system names | ||
| Calindra IV | Calindra | colony (Xindi) | ||||
| Calgary | Griswald 3489 | TDB | colony (Federation) | |||
| Callista / Beta Aurigae VII | Beta Aurigae / Menkalinan | Confederacy of Vulcan | TBD | colony (Vulcan) | former home of the historic Zalkat Union; settled (by Vulcans) prior to 2200[33] | |
| Calsa | Wolf 346 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Campor III | Campor | 2371[34] | colony (Federation)[2] | |||
| Camus II | Alpha Camus | Confederacy of Vulcan | 2161 | colony (Federation) | former home to the extinct Yiteran civilization; archeological colony founded by Vulcans no later than 2150; turned over to Federation scientific community upon UFP founding | |
| Canaris | Scorpi Maxima | Andorian Empire | TBD | colony (Andoria) | ||
| Candelar IV | Candelar | Candelaran | 2350[6][2] | |||
| Candide | Candida | United Earth | TBD | colony (Earth) | ||
| Canopus II | Canopus / Alpha Carinae | Canopian | 2252[35][2] | protectorate | "sentient natives"; "surveyed in mid-23rd century"; two other Class M planets in system: Canopus III & Alpha Carinae V | |
| Capella IV / Ceres | Capella / Alpha Aurigae | Capellan | Ten Tribes | 2188[2] | protectorate | first UFP contact in 2188 |
| Carema III | Carema | rich in natural resources[36] | ||||
| Carnegie | Carnegie | 2369[6][2] | originally unaligned Human & various colony | |||
| Carwile's World | Douruine | TBD | colony (Earth)) | |||
| Casperia Prime | Casperia | 2263[6][2] | initially a colony (prior to 2175), before achieving membership | |||
| Castor Fields | Castora | TBD | colony (Federation) | |||
| Castrola IX | Castrola | TBD | colony (Federation) | |||
| Castus | Castor / Alpha Geminorum | Andorian Empire | 2161 | colony (Andoria)[37] | founded in 2054[2]; same system as Passgate | |
| Catulla | Theta Pictoris | Catullan | Catullan Unity[1] | 2279[2] | after 2269[38] | |
| Cavala | Beta Forminia | Andorian Empire | TBD | colony (Andoria) | ||
| Cavalier | Calka | United Earth | TBD | colony (Earth) | ||
| Celes | Tau Hydrae | TBD | ||||
| Centrelis | Centrelian | 2294[39] | system unidentified | |||
| Ceopus | Aecupus | United Earth | TBD | colony (Earth) | ||
| Cerberus II | Cerberus / Eta Lupi | natives | 2254 | colony (TDB) | Joined is a placeholder; colony established prior to 2259[40]; there is also an indigenous population | |
| Ceron | Ceron | TBD | colony (Federation) | |||
| Cestus III | Cestus | 2265 | colony (Federation) | Star Fleet outpost (2265) destroyed in 2267; colony established 2271 | ||
| Chandra IV | Chandra | Chandran | 2177[41][2] | protectorate | first surveyed "some 90 years prior to 2267"[41]; colony of Chandra V[2]; invaded by Klingons in 2267 for slave labor & its industries | |
| Chandra V | Chandra | Chandran | 2177[41][2] | protectorate | first surveyed "some 90 years prior to 2267"[41]; invaded by Klingons in 2267 for slave labor & its industries; a space-going, pre-warp society | |
| Charlemagne | Aquila Scorpi | United Earth | colony (Earth) | |||
| Cheleb / Beta Ophiuchi VI | Beta Ophiuchi / Cebelrai | United Planets of Tellar | colony (Tellar Prime) | |||
| Chiron IV | Chiron | not related to the planets Cheron in the Beta Quadrant; planet name is a placeholder | ||||
| Choblav | TBD | Choblik | 2319[6][2] | |||
| Chozon | TBD | TBD | colony (Federation) | |||
| Christgen III | Christgen | United Earth | TBD | colony (Earth) | originally a missionary colony, has become of of the Federation's preferred centers of diplomacy | |
| Chyrellka / Chrellkan IV | Chyrellkan | 2269[6][2] | colony (Federation) | Pre-warp & independent Human colony[2]; first contact with Federation in 2259; "now eager to apply for Federation membership"[42] | ||
| Cimera III | Cimera | Andorian Empire | 2261 | colony (Andoria) | founded 1929[43][2] | |
| Cochrane | Zeta Riguli | TBD | colony (Federation) | |||
| Colony Alpha 5[44] | Alpha Canaris | United Earth | 2161[2] | colony (Earth) | its establishment prior to the UFP is SFC canon | |
| Coltar IV | Coltar | TBD | colony (Federation) | |||
| Commissariate | Beta Trianguli | TBD | colony (Federation) | |||
| Concordia | Gamma Palabus | TBD | colony (Federation) | |||
| Coopersworld | TBD | United Earth | TBD | colony (Earth) | ||
| Cor Caroli V | Cor Caroli / Alpha Canum Venaticorum / 12 Canum Venaticorum | TBD | ||||
| Cor Caroli IX | Cor Caroli / Alpha Canum Venaticorum / 12 Canum Venaticorum | Confederacy of Vulcan | 2332 | colony (Vulcan) | Joined is placeholder; settled prior to 2337[45] | |
| Coridan III | Coridan / Chi 1 Orionis / 54 Orionis | Coridanite / Coridan, Coridanian / Coridani | People’s Republic of Coridan | 2267 | ||
| Coridan IX | Coridan / Chi 1 Orionis / 54 Orionis | People’s Republic of Coridan | 2267 | colony (Coridan III) | ||
| Coromindas | Coram | United Planets of Tellar | TBD | colony (Tellar) | ||
| Corvan II | Corvan | 2245 | colony (Federation) | Joined is a placeholder; prior to 2250[46] | ||
| Covdival | Cordival | United Earth | TBD | colony (Earth) | ||
| Crassenia | Crovala 173 | United Planets of Tellar | TBD | colony (Tellar) | ||
| Crassus | Ambiphon | United Earth | TBD | colony (Earth) | ||
| Cremindas | Beta Rigala | Deltan Union | TBD | colony (Delta IV) | ||
| Crepuscula IV | Crepuscula | Crepusculan | 2256 | protectorate | planet name & Joined are placeholders; established as a protectorate no later than 2256[47] | |
| Creras II | Creras | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Crimilak | Alpha Coranda | Deltan Union | TBD | colony (Delta IV) | ||
| Cromidia | Gamma Ophiuchi | United Earth | TBD | colony (Earth) | ||
| Cruul III | Cruul | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Csau IV | Csau | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Curiosity | Pharos 625 | Deltan Union | TBD | colony (Delta IV) | ||
| Cyclopus | Verigus K | United Earth | TBD | colony (Earth) | ||
| Cygnet XIVa | Cygnet / Omega-1 Cygni | Cygnian | State of Cygnet | 2251[48] | ||
| Cygnus III | Cygnus | 2402 | Joined is a placeholder; populated prior to 2402[49] | |||
| Cygnus IV | Cygnus | 2368 | colony (Federation) | Joined is a placeholder; scientific outpost established prior to 2368[50]; Status is TBD | ||
| Cymoke IV / Steger Delta IV | Cymoke / Steger Delta | TBD | colony (Federation) | orbited by the Mertens Orbital Research Station
| ||
| Dadax | Dextera 273 | 2286 | colony (Federation) | Joined is a placeholder; prior to 2287[51]; | ||
| Daidaem | Gamma Hydra 371 | TBD | colony (Federation) | |||
| Dalanda V | Dalanda | 2279 | colony (Federation) | Joined is a placeholder; prior to 2280 | ||
| Dalvos Prime | Dalvos | 2369 | TBD | Joined is a placeholder; sometime prior to 2374[52] | ||
| Damiano | Damiani | Damiano Allied Planets | 2371[6] | protectorate | protectorate status in 2341[2] | |
| Dantar | Federation & Klingons | 2350 | prior to 2357 | |||
| Danter | Danteri | Danteri Empire | 2371[2] | not to be confused with Danteri V, a Ferengi commerce world | ||
| Danton Major | Danton | Deltan Union | 2279 | colony (Delta IV) | Joined is a placeholder; not before 2162; prior to 2280 | |
| Danula II | Danula | 2318 | TBD | Joined is a placeholder; prior to 2323[53] | ||
| Daran V / Kachissat | Daran | Shesshran | United Provinces of Daran V[1] | 2222 | the Shesshran are an indigenous population; Joined is a placeholder; a Federation colony was also established here prior to 2223, as (future President Hiram Roth was born in the colony that year; the Shesshran formerly became members after the founding of the colony, but prior to 2231[54]. (i.e., "recently admitted") | |
| Darius III | Delta Darius | Deltan Union | 2279 | colony (Delta IV) | Joined is a placeholder; not before 2162; prior to 2280 | |
| Darius IV | Delta Darius | 2268 | prior to 2269[55] | |||
| Darmal | Darmius | TBD | colony (Federation) | |||
| Darona | Beta Zeta / Beta Veldonna | Betazed Ruling Council | 2273 | colony (Betazed) | ||
| Dartanian | Ti Che | TBD | colony (Federation) | |||
| Davlos III | Davlos | TBD | TBD | |||
| Decandido III | Decandido | TBD | TBD | colony prior to 2256 | ||
| Dedderai | Dedderac | Dedderac | 2172[56][6][2] | Joined is a placeholder | ||
| Dekendi III | Dekendi | Dekendi | TBD | |||
| Delb II | Delb | Delbian | Kingdom of Delb | 2322 | Joined is a placeholder; joined prior to 2267[57] | |
| Delta IV / Dhei | Lta / Delta Triciatu / Delta Principius | Deltan | Deltan Union | 2223[1] | full | |
| Delta Sigma IV | Bader, Dorset | 2378[6][2] | ||||
| Delta Theta III | Delta Theta | natives | n/a | 2270[58] | quarantine | |
| Delta Vega | Trimordidion | United Earth | 2260 | (Earth) | Joined is a placeholder; prior to 2265[59] | |
| Democritus | Demos 372 Alpha | United Earth | TBD | (Earth) | ||
| Demoiselle II | Demoiselle | TBD | TBD | TBD | ||
| Deneb Alpha IV / Kidta | Alpha Cygni | Bandi | 2377[2] | |||
| Deneb Alpha V / Deneb V | Alpha Cygni | Denebian | Commonwealth of Denebia | 2259[1][2] | joined the Federation over 120 years before Deneb Alpha IV, the Bandi world | |
| Deneb Alpha IX / Deneb IX | Alpha Cygni | Commonwealth of Denebia | 2259[2] | colony (Deneb Alpha V) | ||
| Deneb Alpha XX / Deneb XX | Alpha Cygni | Commonwealth of Denebia | 2259[2] | colony (Deneb Alpha V) | ||
| Deneb Kaitos II | Deneb Kaitos | 2259 | colony (Deneb Kaitos V) | settled by the Klaha in the 21st century[60]; civil war over water rights broke out in 2250s[2] | ||
| Deneb Kaitos IV | Deneb Kaitos | Deirr | 2259[2] | includes a Federation colony established in the 2240s; Deneb Orbital Docks | ||
| Deneb Kaitos V | Deneb Kaitos | Klaha | 2259[61] | includes a Earth colony established prior to 2161; assigned protectorate status in 2160s | ||
| Deneb Kaitos VIa | Deneb Kaitos | Eyren | 2259[2] | |||
| Deneva Prime | Kappa Fornacis / Beta Darius | 2277[6][2] | protectorate | colonized in 2148[2] as an asteroidal support base; protectorate status under United Earth | ||
| Dengella II | Dengella | 2254 | TBD | Joined is a placeholder; Federation presence established by 2259[62] | ||
| Denkir II | Denkir | 2323 | TBD | The planet and Joined are placeholders; it had mostly joined prior to 2328[63] | ||
| Denobula / Denobula Prime | Primus Leonis | Denobulan | Denobulan Unity | 2180[1] | associate member (2161-2180) | |
| Denobula Triaxa | Iota Bootis | Denobulan Unity | 2180[1] | colony (Denobula) | apparently a colony prior to UFP formation | |
| Derigo | Roedel | United Earth / United Planets of Tellar | TBD | colony (Earth / Tellar Prime) | ||
| Determination | Demarcation | TBD | colony (Federation) | |||
| Deuteronomy III | Deuteronomy | TBD | colony (Federation) | serves as a commercial transhub for the region | ||
| Dimorus IV | Dimorus | Dimorusian | 2255 | protectorate | ||
| Divestment | Formindas 743 | TBD | colony (Federation) | |||
| Djana | Inari, Djanai | TBD | ||||
| D'livian VI | D'livian | TBD | colony (Federation) | |||
| Doctari Alpha | Doctari | 2231 | colony (Federation) | Joined is a placeholder; established prior to 2236[64] | ||
| Doraf I | Doraf | TBD | TBD | uninhabitable planet claimed by the Federation | ||
| Dorvan V | Dorvan | 2350[2] | colony (Earth) | transferred authority to Cardassian Union in 2370 | ||
| Doxi | Darlovan 277 | TBD | colony (Federation) | |||
| Dramia | TBD | Dramian | 2194 | possibly protected when first surveyed[65] | ||
| Draken IV / Drayken IV | Draken / Drayken | 2252 | TBD | Joined is a placeholder; joined prior to 2257[66] | ||
| Draygo IV | Draygo | n/a | 2365 | TBD | Joined is a placeholder; UFP had claim to this uninhabited planet NLT 2370[67] | |
| Draylax | Epsilon Indi | Draylaxian | Draylax Sovereign Clad | 2340 | probably would have been one of earliest members of UFP, but they were almost completely wiped out in the Romulan war [research this] | |
| Drema IV | Selcundi Drema | Dreman | 2365 | protectorate | formal first contact made in 2368[68] | |
| Dreon VII | Dreon | 2376 | colony (Bajor) | |||
| Drexler II | Drexler | 2268 | Joined is a placeholder; joined prior to 2273[69] | |||
| Drozana II | Drozana | 2260 | The planet name and Joined are placeholders; Drozana Station was an active UFP station by 2265[70] | |||
| Dulisian IV | Dulisian | 2363 | colony (Federation) | Joined is a placeholder; established prior to 2368[71] | ||
| Dundas | Ursula Alpha 26 | TBD | colony (Federation) | |||
| Dundee II | Dundee | Andorian Empire | TBD | colony (Andoria) | ||
| Duo III | Duostel | Deltan Union | TBD | colony (Delta IV) | ||
| Duroc II | Duroc | United Planets of Tellar | 2161 | colony (Tellar Prime) | ||
| Dytallix B | Mira Antlia | TBD | colony (Federation) |
| ||
| Earl Minor | Demos Majoris | TBD | ||||
| Earth Colony Two | United Earth | 2240 | colony (Earth) | Planet name & Joined are placeholders; established prior to 2260s | ||
| Earth Colony 7[72] | Gamma Erigena | natives | United Earth | 2140 | colony (Earth) | Planet name & Joined are placeholders; beta-canon planet name redesignated as the system name; due to pre-warp natives and presence of Human colony, presumed to be settled prior to UFP |
| Ecora | Delta Vara | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Ecstasy | Hydra Impora | TBD | colony (Federation) | |||
| Edos | Epsilon Minora | Edosian / Edoan | Edosian Concord | 2257[2] | Joined is based only on Arex entering "Starfleet soon after Edos joined the Federation" | |
| Eeiauo | Eeiauoan | 2246 | Joined is a placeholder; prior to 2268; Eeiauoans are formerly native to Sivao (up until approximately 2,500 years ago). | |||
| Efros | Flarset | Efrosian | Provisional Government of Efros | 2169[6][2] | former subjects of the Klingon Empire | |
| Egaran II | Egara 172 | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Egross | Alpha Vega 272 | TBD | colony (Federation) | |||
| Ekos | M43 Alpha | Ekosian | 2373 | |||
| Elas | Tellun | Elasian | Council of Nobles | 2263[2] | sister planet to Troyius | |
| Elaysia / Gemworld | Alpusta, Elaysian, Frills, Gendlii, Lipul, Yilltern | Elaysian Council | 2208 | first contact made in 2201[73] | ||
| Elba II | Elba / Quarius Nova | 2264 | colony (Federation) | Joined is a placeholder, established prior to 2269[74] | ||
| Eldamas | Eldamas 344 | TBD | colony (Federation) | |||
| Eldorado | Eldamas 344 | TBD | colony (Federation) | |||
| Eldritch | Delta Corondis | United Planets of Tellar | TBD | colony (Tellar Prime) | settled post-2161 | |
| Elevation | Epsilon Zeta | TBD | colony (Federation) | |||
| Elorex | Eloras 375 | Andorian Empire | TBD | colony (Andoria) | settled post-2161 | |
| Elysium[1] | TBD | TBD | Peace Body[1] | 2206[1] | colony | not to be confused with Elaysia |
| Emila II | Emila | 2361 | colony (Federation) | prior to 2366 | ||
| Eminiar VII | Eminiar | Eminian | 2288[2] | sister planet to Vendikar; devastated by nuclear exchange in 2271[75] | ||
| Enarrom | Parsus Indi | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Enas | Gamma Minora 12 | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Enasatar | Geminorum Pala | United Planets of Tellar | TBD | colony (Tellar Prime) | settled post-2161 | |
| Enid | Vega Majoris | TBD | colony (Federation) | |||
| Enoch | Vega Majoris | TBD | colony (Federation) | |||
| Epsilon Sorona II | Epsilon Sorona | TBD | colony (Federation) | evacuated in 2244[2] to Tarsus IV | ||
| Epsilon West IV | Epsilon West | TDB | colony (TDB) | |||
| Errigal | Beta Ophiuchi / Cebelrai | colony (Federation) | ||||
| Escara | Delta Indi 668 | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Eta Serpentis VI | Eta Serpentis | TDB | colony (TDB) | |||
| Eternity | United Federation of Planets | TBD | colony (Federation) | special designation as a Star Fleet memorial planet | ||
| Etrolopar | Alpha Carinna 17 | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Etross | Menaras 222 | TBD | colony (Federation) | |||
| Europa | Sol | United Earth | 2161 | colony (Earth) | moon of Jupiter | |
| Evadne IV | Evadne | TDB | ||||
| Evora II | Evora | Evora | Evoran Duchy | 2375 | protectorate[76] | The planet name is a placeholder |
| Existence Point | Honora Minoris | TBD | colony (Federation) |
| ||
| Falas | Danara 5986 | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Falorin | Alpha Parsis 25 | TBD | colony (Federation) | |||
| Familiarity | Beta Maxim 437 | TBD | colony (Federation) | |||
| Fellebia | 94 Aquarii | Fellebian | 2198[77] | no later than 2259 | ||
| Fellowship | Beta Maxim 437 | TBD | colony (Federation) | |||
| Femininity | Beta Maxim 437 | TBD | colony (Federation) | |||
| Fenbly VII | Fenbly / Sigma Minoris | United Earth | TDB | colony (Earth) | ||
| Fendaus V | Fendaus | natives | TBD | TBD | ||
| FGC-019-039xx II | FGC-019-039xx | TBD | TBD | Planet & system names are placeholders; justification for (orbital) location of Lya Station Alpha | ||
| Ficus III | Ficus | 2360 | TBD | Joined is a placeholder; settled prior to 2365[2] | ||
| Fillandia | Bartz' Star | Ariolo | 2286[5] | star expected to nova in 2380s | ||
| Findesa | Gamma Dinara | TBD | colony (Federation) | |||
| Finibus III | Finibus | 2254 | colony (TBD) | Joined is a placeholder; prior to 2259[78] | ||
| Finlax | Delta Paruli | United Earth | TBD | colony (Earth) | ||
| Finlorra | Gamma Leo 3312 | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Fomalhaut Colony | Fomalhaut / Alpha Piscis Australis | Deltan Union | 2266 | colony (Delta IV) | founded in 2140[2] | |
| Free Haven | Sanelar | Third Republic of Bajor | 2376 | colony (Bajor) | ||
| Fullman | Ursu Geminorum | United Earth | TBD | colony (Earth) | ||
| Fullsome | Ursu Geminorum | TBD | colony (Federation) | |||
| Function | Foram Canara | TBD | colony (Federation) | |||
| Gagarin IV | Gagarin | 2360 | colony (Federation) | Joined is a placeholder; ground station established prior to 2365 | ||
| Gaggle Point | Luris Eta | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Galakhin II | Galakhin | Galakhi[79] | 2189[2] | Planet and system name assumed based on native species | ||
| Galen IV | Galen | Galenites[2] | TBD | Species name was determined based upon the system name; first contact prior to 2259 | ||
| Galina III | Galina | Galinian | TBD | Planet & species names are placeholders. | ||
| Gallam III | Gallam | Gallamite | 2310[6][2] | Planet & system names based upon species name; first contact as early as 2250s | ||
| Galor IV | Galor | 2361 | TBD | Joined is a placeholder; the institute was there prior to 2366 | ||
| Gamadrine | Danara 5986 | United Planets of Tellar | TDB | colony (Tellar Prime) | ||
| Gamma Hydra IV | Gamma Hydra | 2262 | colony (Federation) | Joined is a placeholder; the science colony was in place by 2267[80] | ||
| Gamma Tauri IV / Ge'hoQ / Avainenoran | Gamma Tauri | 2265[81] | colony (Federation) | |||
| Gamma Trianguli VI | Gamma Trianguli | Vaalian | 2267 | protectorate | Note that Gamma Trianguli IV, while settled, is not a Federation world[82] | |
| Gammorah | Ceta 503 | United Earth | TBD | colony (Earth) | ||
| Gaspar VII | Gaspar | TDB | TDB | a member NLT 2378[48] | ||
| Gateway / Time Planet | Alpha Zeta / UFC 465537 | 2267 | quarantined | Federation research outpost | ||
| Gault | TBD | Siberian Collective | TDB | colony (Earth) | "initially settled shortly after...2063"[83] | |
| Gelladorn | TBD | 2376 | colony (Bajor) | founded prior to 2269[84] | ||
| Gemworld | TBD | Yilltern, Lipul, Frills, Elaysian, Gendlii, & Alpusta |
2356 | |||
| Geo | Alpha Baratis | TBD | TDB | |||
| Gideon | Delta Doradus | Gideonite / Gideon | Gideon Council | 2321 | Joined is a placeholder | |
| Gissen V | Gissen 986 | TDB | colony (Federation) | |||
| Glissa Prime | Glissa | United Planets of Tellar | 2161 | colony (Tellar Prime) | ||
| Gnala | TBD | Gnalish | 2317[6][2] | |||
| Golana | TBD | 2376 | colony (Bajor) | |||
| Golumbin 699 VII[2] | Golumbin 699 | TBD | sister planet to Xerxes & Zacarious; FASA names this "Xerxes VII" | |||
| Gosh / Abyss | Gosh Alpha / Abyss Alpha | 2161 | colony (Vulcan) | established 1655[2] | ||
| Gravenworld | Maven Parsis | Alpha Centauri Concordium of Planets | TDB | colony (Alpha Centauri Prime) | ||
| Gravesworld | TBD | TBD | colony (Federation) | |||
| Grazer | TBD | Grazerite | Upsol Assembly[2] | 2305[85] | ||
| Green | Kajzer | TBD | colony (Federation) | Federation biological research station | ||
| Greensward | Sigma Valara | United Earth | TBD | colony (Earth) | ||
| Greenwald | Alpha Trimora | United Earth | TBD | colony (Earth) | ||
| Grief | Tahniva 311 | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Grinnidas | Dannala Beta | TDB | TDB | |||
| Grissom's World | Grissom 6678 | United Earth | TDB | colony (Earth) | ||
| Grix | FGC015-077xx | Edosian Concord | TDB | colony (Edos) | ||
| Grobnah / Placidity | Panasa | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Grossex | FGC015-077xx | Edosian Concord | TDB | colony (Edos) | ||
| Guernica IV | Guernica | TDB | TDB | Planet name is a placeholder | ||
| Guidon IV | Guidon | 2345[2] | Planet name is a placeholder | |||
| Gullrey | TDB | Rey[86] | TDB | |||
| Gundara | Zeta Ophiuchi | TDB | colony (Federation) | |||
| Habrenn | Arabenn | Alpha Centauri Concordium of Planets | TDB | colony (Alpha Centauri Prime) | ||
| Hadley II | Hadley 557 | TDB | colony (Federation) | |||
| Halador | Sigma Zeta 477 | TDB | colony (Federation) | |||
| Halcyon | Alpha Baratis | United Earth | TBD | colony (Earth) | ||
| Haldraine | Alpha Nimorra | TDB | colony (Federation) | |||
| Halii | Halina[2] | Haliian | TBD | |||
| Hamal IV / El Nath | Hamal | Hamalki | ||||
| Hannamore | Darmala Beta | TDB | colony (Federation) | |||
| Hanolan II | Hanolan | TDB | colony (Federation) | |||
| Hansen's Planet | Beta Hydra | Homo Hansonii | 'TDB | protectorate | first surveyed prior to 2163; possibly not protected for some time after that year | |
| Hardin's World | Delta Panaras | United Earth | TBD | colony (Earth) | ||
| Harlak | TBD | TDB | TDB | |||
| Harmony / Haannu | Lassir / Harridane 226 | Confederacy of Vulcan | 2161 | colony (Vulcan) | founded in 1960[2] | |
| Harpie | Kelvolara 688 | United Earth | TBD | colony (Earth) | ||
| Havelind | Caracore | Caitian Union | 2249 | colony (Cait) | ||
| Haxwren | Caracore | TDB | colony (Federation) | |||
| Hayashi III | Hayashi | 2367[2] | colony (Federation) | it is presumed the colony was settled in the year after the (planned) exospheric survey (2366) | ||
| Hekaras II | Hekaras | Hekaran | Hekaran Independent Alliance | TBD | ||
| Helios | Sigma Wyrenex | TDB | colony (Federation) | |||
| Heprinala | Bomelli 709 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Hermat | TBD | Hermat | Hermat Directorate | 2349[2] | ||
| Hermata / Amphibalus III | Amphibalus | Hermat Directorate | 2349 | colony (Hermat) | founded 2279 | |
| Heristis | Bomelli 709 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Heuristic | Rexenox | TBD | colony (Federation) | |||
| Hexentrex | Beta Triaran | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Hispaniola Minor | TBD | TBD | TBD | |||
| Hochlor IV | Hochlor | Caitian Union | 2249 | colony (Cait) | founded in 2240 by pre-UFP Caitians | |
| Hodlahr | Sigma Indus 462 | United Earth | TBD | colony (Earth) | ||
| Holles III | Holles | TBD | TBD | |||
| Hollow Way | Gypsem Zeta 703 | TBD | colony (Federation) | |||
| Homally | Zeta Niobe | United Earth | TBD | colony (Earth) | ||
| Honoria | Lura Voris 747 | TBD | colony (Federation) | |||
| Hospis | Sigma Tricali | TBD | colony (Federation) | |||
| Hospitality II | Havidar / Hospitality | TBD | colony (Federation) | |||
| Hostoria | Luxor 867 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Hrell II | Hrell | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Hrusar III | Hrusar | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Hsoren IV | Hsoren | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Hsuaw II | Hsuaw | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Huan | TDB | Huanni | Principality of Huan | 2293[6][2] | Memory Beta supports Huan as the planet name, rather than the system | |
| Hupyria Prime / Hupyria II | Tau Coronae Borealis | Hupyrian | Hupyrian Autocracy | |||
| Hurada III | Hurada | Huradan[2] | TDB | |||
| Hurkos III | Hurkos | TDB | TDB | |||
| Hurlin | Zeta Paor | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Hyralan IV | Hyralan / Alpha Caeli | TDB | TDB |
| ||
| Iadara II | Iadara / Iadora | TBD | colony (Federation) | |||
| Icor IX | Icor | Icorian | Republic of Icor IX[1] | 2185[6][2] | ||
| Idara | Megolar | Idaraus Kingdom[1] | 2202[1] | |||
| Idiom | Valen's Star | TDB | colony (Federation) | |||
| Idix | Duviniax | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Idoxar | Sigma Exat | Edosian Concord | TBD | colony (Edos) | ||
| Igre | TBD | Igresh | TBD | |||
| Ikalia III | Ikalia | TBD | TDB | |||
| Illyria | Illyria | Illyrian | 2215[2] | Illyria joined the Federation a year before Una Chin-Riley was born, which SFC has determined occurred in 2216 | ||
| Imagination | Metriunn 867 | TBD | colony (Federation) | |||
| Importunity | Hutchinsen 866 | TBD | colony (Federation) | |||
| Imprek Prime | Imprek | United Planets of Tellar | 2161 | colony (Tellar Prime) | founded in 1932[2] | |
| Indarax | Epsilon Indar | Principality of Indarax[1] | 2239[1] | founded in 2147 by Andoria[2]; achieved independence & membership | ||
| Inferna Prime | Inferna / Zeta Herculis | 2236[6][2] | former Tellarite protectorate; joined after UFP forms | |||
| Ingraham B | Ingraham | United Earth | TBD | colony (Earth) | ||
| Inverness II | Inverness | TBD | colony (Federation) | The Inverness system is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colonies. | ||
| Inverness III | Inverness | TBD | colony (Federation) | The Inverness system is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colonies. | ||
| Inverness IV | Inverness | TBD | colony (Federation) | The Inverness system is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colonies. | ||
| Inverness V | Inverness | TBD | colony (Federation) | The Inverness system is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colonies. | ||
| Inverness VI | Inverness | TBD | colony (Federation) | The Inverness system is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colonies. | ||
| Ipai IV | Ipai | TBD | TBD | |||
| Iparassen | Delta Zeta 785 | United Earth | TBD | colony (Earth) | ||
| Ipicran | Delta Zeta 785 | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Ioma | Iomegas | TBD | colony (Federation) | |||
| Iomides | TBD | Iomidian | 2364[2] | protectorate | prior to 2369[87] | |
| Iridin | TBD | 2251 | colony (Federation) | It is unclear if "Iridin" is the name of the planet or the system; research colony established prior to 2256 | ||
| Isis III | Isis | TBD | ||||
| Ithen / Orodanga | 15 Virginis / Zaniah | Ithenite / Dayen | Ithenite Persuant[1] | 2179[2] | first contact with Humans occurred prior to 2154[88] | |
| Ivor Prime | Ivor / Eta Scorpii | 2368 | colony (TDB) | "Joined is a placeholder; established before 2373[89] | ||
| Izar | Epsilon Bootis | Izarian Council | 2183[1] | withdrew from the UFP (2239); rejoins in 2260
| ||
| Jalinitir | Valar Majoris | Confederacy of Vulcan | TDB | colony (Vulcan) | ||
| Jallamora | Asenn 685 | United Earth | TDB | colony (Earth) | ||
| Jallimass | Zeta Bevarra | TBD | colony (Federation) | |||
| Jamison's World | Epsilon Keva | United Earth | TDB | colony (Earth) | ||
| Jammolora | Tau Tauri | Andorian Empire | TDB | colony (Andoria) | ||
| Janus | Gamma Major | Horta | 2271[2] | strongly support this date, based on Kirk's assistance[90] | ||
| Jarovalla VI | Jarovalla | Andorian Empire | TDB | colony (Andoria) | ||
| Javtinador | Beta Kurissa | TBD | colony (Federation) | |||
| Jaxsen III | Jaxsen | Andorian Empire | TDB | colony (Andoria) | ||
| Jido | Jidop | Andorian Empire | TDB | colony (Andoria) | ||
| Jorindas | Beta Vertis | United Earth | TDB | colony (Earth) | ||
| Jovian Moons | Sol | Jovian Republic[1] | 2227 | former colony of Earth; achieved independence and membership | ||
| Jotunheim | TBD | Heimstag[1] | 2238[1] | former colony of Earth; achieved independence & membership | ||
| Jubal | TBD | TBD | colony (Earth) | the colony was destroyed by the Tholian-aligned Chakuuns in 2254. | ||
| Juhraya | TBD | TBD | colony (Federation) | the system is turned over to the Cardassian Union in 2370 | ||
| Julietta | Juris | State of Cygnet | 2251 | colony (Cygnet XIVa) | settled prior to State of Cygnet joining the UFP | |
| Jungar | Epsilon Ballara | Confederacy of Vulcan | TDB | colony (Vulcan) | ||
| Jurisa | Juris | Confederacy of Vulcan | TDB | colony (Vulcan) | ||
| Justinia | Juris | Confederacy of Vulcan | TDB | colony (Vulcan) |
| |
| Kaballa | Nimori Ceti | Kaballan[2] | TBD | protectorate | ||
| Kadacohr | Kadass | Andorian Empire | TBD | colony (Andoria) | ||
| Kaferia / Tau Ceti III | Tau Ceti | Kaferian | 2202[91][2] | note: the Human colony (Tau Ceti IV / Tau Ceti Prime) is presently still an Earth colony | ||
| Kalamar | Karnadarc | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Kaldra IV | Kaldra | Kaldran[2] | TBD | |||
| Kandilkar | TBD | Kandilkari | 2313[6][2] | |||
| Karnandas | Burkid | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Kashet | Isis Kash | Kasheeta | Kasheetan Confederacy[1] | 2223[1] | ||
| Kassae II | Kassae | TBD | colony (Federation) | archeological | ||
| Katan III | Tau Abir / Katan | Katanian[2] | TBD | protectorate | ||
| Katar VI | Katar | United Earth | TBD | colony (Earth) | ||
| Kavatala Superior | Kavatala | TBD | colony (Federation) | |||
| Kazar | TBD | Kazarite | Kazar League | 2204[1][2] | ||
| Kei / Braslota III | Braslota | TBD | sister planet to Totoro, Yuri; at least one of the three planets is inhabited and is tropical | |||
| Kelfour IV | Kelfour | 2252 | colony (TBD) | prior to 2257, when the colony was destroyed | ||
| Kenda II | Kenda | TBD | TBD | colony (TBD) | ||
| Kepla II | Kepla | TBD | TBD | TBD | Planet name is a placeholder | |
| Kern III | Kern | n/a | TBD | colony (Federation) | at best, this is an orbital science outpost studying the Class S hypergiant | |
| Kerovi III | Kerovi | Kerovian | 2373[2] | withdrew from the UFP in 2378 | ||
| Kessik IV | Kessik | 2270[2] | colony (Federation) | founded as an independent in colony 2264; joined UFP at some point, probably before 2349 (2270 randomly determined) | ||
| Kiley 279 | Kiley | Kiley | TBD | protectorate | while they were first contact in 2259[92], their protectorate status was already enforced prior to that | |
| Kirisha IV | Kirisha | Caitian Union | 2350 | colony (Cait) | prior to 2355[93] | |
| Kirlos | TBD | Sullurh | United Federation of Planets / K'Vin Hegemony | TBD | protectorate | jointly administered by both states (the K'Vin Hegemony being a former member of the UFP); Sullurh gain independence in 2271[94] |
| Kiron | Omicron Theta | TBD | colony (Federation) | private colony; all life was eradicated in 2338 | ||
| Ki'siu | Bolarus | World Council | 2270 | colony (Boliax) | same system as Boliax, Motal, Ral'Nar, & Rim | |
| Klaestron IV | Klaestron | Klaestron | 2372[2] | DS9 episode "Dax" suggests that the planet is not a UFP member (extradition treaty with the UFP) in 2369, while Star Charts indicates it was a member in 2378. | ||
| Klaf II | Klaf | TBD | TBD | |||
| K'norm / K'normia | Psi Tauri | K'normian | 2267[2] | prior to 2272 | ||
| Koa | Mu Arae | Koas | Koan Colonies | 2380[95] | ||
| Kobax III[1] | Kobax | Kobaxian | Fourth Kobax Republic[1] | 2225[1] | ||
| Koblia | TBD | Kobliad | 2369[2] | not to be confused with the Delta Quadrant's Kobali system | ||
| Kohlan IV | Kohlan | TBD | TBD | TBD | ||
| Kolava Alpha IV | Kolava Alpha | World Council | TBD | colony (Boliax) | ||
| Kolava Beta II | Kolava Beta | World Council | TBD | colony (Boliax) | ||
| Kol's Orchard | Kolitor | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Koltaari | TBD | Koltaari | TBD | protectorate | briefly a Romulan holding in 2311[96] | |
| Korat II | Korat | TBD | TBD | TBD | ||
| Koriana VI | Koriana | 2236 | colony (Federation) | date is a placeholder; Koriana VI is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colony. | ||
| Koromond | Koromandas | TBD | colony (Federation) | |||
| Kreetassa | Psi 5 Aurigae | Kreetassan | 2253[6][2] | |||
| Kreras III | Kreras | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Kreta / Deneb Alpha II | Alpha Cygni | Commonwealth of Denebia | 2259[2] | colony (Deneb Alpha V) | first settled by the Denebians in 2077; UFP-independent Humans established a colony in 2205; planet joined UFP in 2259 | |
| Kruuri IV | Kruuri | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Ktar /Ktaris | Ktaria | Ktarian | Ktarian Enclave | 2344[2] | ||
| K'Vin | TBD | K'Vin | K'Vin Hegemony | 2242[2] | withdrew from the UFP in 2332 after "nearly 100 years"; maintained peace since | |
| Kyppr | TBD | Kypprite | 2203[6][2] |
| ||
| Labiam V | Labiam | United Earth | TDB | colony (Earth) | ||
| Labarinth | Tau Zeta | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Laflin | TBD | TBD | TBD | colony (TBD) | ||
| Lagard / Soran II | Soran | Lagardios | TBD | |||
| Lai-Tu[1] | TBD | Lai-Tu Colonial Council[1] | 2226[1] | former colony, achieved independence and membership | ||
| Lakeland | Purlii | TDB | colony (Federation) | |||
| Lamentation | Hedrox 576 | TDB | colony (Federation) | |||
| Lappinar | Laxes Alpha | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Lao T'Shin | Gemini Dentos | United Earth | TDB | colony (Earth) | ||
| Lappax II | Lappax | United Planets of Tellar | TDB | colony (Tellar Prime) | ||
| Largo V | Largo | TBD | TBD | |||
| Lasur Funop | Funop | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Laura's World | Laurison 294 | TDB | colony (Federation) | |||
| Laurentian II | Laurentian | TBD | Planet name is a placeholder | |||
| Laxala | Lexe | 2257[2] | colony (Federation) | founded when Marines landed during the Klingon War | ||
| Laxaren | Laoorby 192 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Lecorak | Chelikbar | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Lecroutex | Lecrotox | TDB | colony (Federation) | |||
| Lembatta V | Lembatta | Lembattan | 2352 | |||
| Lemma II | Lemma | TBD | colony (Federation) | |||
| Lendria | TBD | Lendrin | 2373[97] | |||
| Lexinisar | Menitrom 799 | TBD | colony (Federation) | |||
| Lexor VII | Lexor | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Liria | TBD | Lirin | Lirin Unity | TBD | ||
| Listra Principis | Ustra | United Earth | TBD | colony (Earth) | ||
| Live Again | Oroness | TBD | colony (Federation) | |||
| Livenix | Illex | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Lixis | Lixis XI | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Lochabahr | Lochnarle | United Earth | TBD | colony (Earth) | ||
| Lochlar | Lojar | United Earth | TBD | colony (Earth) | ||
| Loki | K'Kronn | Andorian Empire | TBD | colony (Andoria) | ||
| Loktara[1] | TBD | Lok-fra Speakership[1] | 2192[1] | |||
| Lone Node | Alpha Demetrius | United Earth | TBD | colony (Earth) | ||
| Lorillia | Gamma Leporis | Lorillian | 2202 | destroyed 2381 | ||
| Lrru-Ir | TBD | Irriol | 2269 | |||
| Luna | Sol | Republic of Luna[1] | 2161[1] | colony (Earth) | moon of Earth | |
| Lustralva | Merellion Sigma | Deltan Union | TBD | colony (Delta IV) | ||
| Lustrix | Remusa 885 | Andorian Empire | TBD | colony (Andoria) | ||
| Luxor | Terrilepton | United Earth | 2161 | colony (Earth) | ||
| Lya III | Lya | TBD | TBD | TBD | ||
| Lya IV | Lya | TBD | TBD | TBD | ||
| Lyshan III | Lyshan | TBD | TBD | TBD |
| |
| M-113 / Crater's World | Fotialla | 2261[98] | colony (Federation) | |||
| Maaz II | Maaz / Epsilon Aurigae / 7 Aurigae | TBD | ||||
| Mabarra V | Mabarra | TBD | colony (Federation) | |||
| Macadama | Giordin 275 | Caitian Union | TBD | colony (Cait) | ||
| Machelvi | Valtrax | United Earth | TBD | colony (Earth) | sister planet to Madacarax | |
| Madacarax | Valtrax | TBD | colony (Federation) | sister planet to Machelvi | ||
| Madistra | Sigma Geminis | TBD | colony (Federation) | |||
| Madorra | Madorax | Deltan Union | TBD | colony (Delta IV) | ||
| Magister | Magesty | United Earth | TBD | colony (Earth) | ||
| Magna Roma / 892-IV | FGC-892 | Magna Roman | 2268[99] | protectorate | ||
| Majority | Luris Maxcinis | United Earth | TBD | colony (Earth) | ||
| Maklin VIII | Maklin | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Makus III | Makus | Makusian | Makusian Congress[1] | 2203[1] | ||
| Malarhone | Minarcis Alpha | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Malawren | Malas | TBD | colony (Federation) | |||
| Malcor III | Malcor / Mu Ceti | Malcorian | 2367 | protectorate | shares system with non-UFP Niburon colonies | |
| Malla | Maurex 782 | United Earth | TBD | colony (Earth) | ||
| Manark II | Manark | United Earth | TBD | colony (Earth) | ||
| Manark IV | Manark | TBD | TBD | colony (TBD) | ||
| Mandel Prime | Mandel | 2245 | colony (Federation) | prior to 2256 | ||
| Mantilles | Pallas 14 | 2264 | colony (Federation) | prior to 2269[100] | ||
| Marac Polis | Marac | United Earth | TBD | colony (Earth) | ||
| Marcos | Marcios | 2254[2] | colony (Federation) | |||
| Marcos XII | Marcos | 2254[2] | colony (Federation) | |||
| Marcus | 6-23 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Maren | Maren Alpha | United Earth | TBD | colony (Earth) | ||
| Mariposa | FGC0134-064xx | United Ficus Colony | 2377[2] | The planet was re-visited in 2376[101] and a member as of 2378[48] | ||
| Marlonia | TBD | Marlonian | TBD | |||
| Mars | Sol | Confederated Martian Colonies | 2162[6] | full | former colony of Earth | |
| Matern | TBD | Materni | 2271[6][2] | |||
| Maxima Prime | Maxim | United Earth | TBD | colony (Earth) | ||
| Maximilian | Zeta Geminorum | TBD | colony (Federation) | |||
| Maxtor | Mirith | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Mazar | Manzar | Mazarite | Mazarite High Council | TBD | ||
| Mazda | R-517 | Mazdan | 2262 | before 2267[5]; continued membership contingent upon active cease-fire with Arima | ||
| McCarthy II | McCarthy | United Earth | TBD | |||
| Medusa | Xi Hydrae / Rhys / 13 Crateris / 288 G Hydrae | Medusan | 2217[1] | |||
| Megara | 329 Aurigae | Megaran | Megar Congress[1] | 2240[1] | protectorate | made in inactive protectorate in 2240[2]; protectorate status modified to "active" in 2369 |
| Mekorda III | Mekorda | TBD | TBD | Planet name is a placeholder | ||
| Meldrar I | Meldrar | 2376 | colony (Bajor) | |||
| Melkotia / Melkotia | Theta Kiokis | Melkot / Melkotian | 2273][2] | first contact 2268; joined just prior to Betazed | ||
| Melona IV | Melona | 2368[102] | colony was destroyed shortly after founding by the Crystalline Entity | |||
| Melvara IV | Melvara | TBD | TBD | |||
| Memory Alpha | n/a | 2235 | colony (Federation) | Memory Alpha is a small rogue planetoid | ||
| Memoxa | Mirith | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Menk / Valakis | TBD | Menk & Valakian | Commonwealth of Menk and Valakis[1] | 2236[1] | first (Earth) contact 2151; Valakians dying out | |
| Merak II | Merak / Beta Ursae Majoris | Merakan | TBD | not a Vulcan colony, as per FASA | ||
| Merari | Phylos | Phylosian | TBD | post-2270 | ||
| Mestiko | Hertex | Payav | 2295[6][2] | year is rather strong, due to novel[103] | ||
| Mexas II | Mexas | TBD | colony (Federation) | |||
| Micromius | TBD | TBD | quarantine | medical disaster sometime in the 23rd century | ||
| Midgwis / Elcidar Beta II | Elcidar Beta | Midgwin | TBD | protectorate | interesting Organian Peace Treaty dual-conservatorship(?) with the Klingons | |
| Midos V | Midos | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Mikulak | TBD | Mikulak | TBD | |||
| Mindara XII | Mindara | TBD | colony (Federation) | |||
| Minidine IV | Minidine | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Minis | Dayliss / Ordesia | TBD | colony (Federation) | |||
| Minora | 6-15 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Minos | Minos Korva | 2348[2] | colony (Federation) | |||
| Minosia | Minos | TBD | quarantine | governed by the Minosian Sway until the population self-destroyed sometime between 2314 and 2364 | ||
| Mintaka III | Mintaka / Delta Orionis | Mintakan | n/a | 2361 | protectorate | Joined is a placeholder; occurred prior to 2366[104] |
| Mira | Omicron Ceti | United Earth | 2264[105] | colony (Earth) | Not to be confused with the planet Miri | |
| Miri | FGC-347601 | natives | 2266[106] | protectorate | ||
| Mizar II | Mizar / Zeta Ursae Majoris | Mizarian | 2320 | prior to 2366 | ||
| Moab IV / Genome Colony | Moab | TBD | TBD | originated as a completely independent colony in the 22nd century | ||
| Modean | TBD | TBD | TBD | |||
| Molitir | Molitus | TBD | colony (Federation) | |||
| Monarch | Monarch Alpha | United Earth | TBD | colony (Earth) | ||
| Monchezke / Lokkak III | Lokkak | Monchezkin | Chezkin Parliament | 2201[1] | ||
| Moralia V | Moralia | United Earth | TBD | colony (Earth) | ||
| Morena VII | Eridani Gamma / Morena | United Earth | TBD | colony (Earth) | ||
| Motal | Bolarus | World Council | 2270 | colony (Boliax) | same system as Boliax, Ki'siu , Ral'Nar, & Rim | |
| Moselina II | Moselina | TBD | TBD | Planet name is a placeholder | ||
| Moser IV | Moser | TBD | colony (Federation) | |||
| Moxen | Moxenalus | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Mriri | Mriri | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| MS 1 | MS | TBD | colony (Federation) | |||
| MS-3 | TBD | TBD | colony (Federation) | |||
| MS-4 | TBD | TBD | colony (Federation) | |||
| MS-8 | TBD | TBD | colony (Federation) | |||
| Mu | Leoxa | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Mudor V | Mudor | TBD | TBD | |||
| Mursa | Tau Anacrilus | Andorian Empire | TBD | colony (Andoria) |
| |
| Nador | TBD | Nadorian | 2267[107] | |||
| Nagrond | Naxor 599 | natives | TBD | protectorate | ||
| Namorra | Namor | United Earth | TBD | colony (Earth) | ||
| Napea | TBD | Napean | 2320 | |||
| Narcissus III | Narcissus | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Narval | Narvox | Caitian Union | 2249 | colony (Cait) | ||
| Nasat | TBD | Nasat & Citoac | Planetary Council | 2294[2] | ||
| Naxis | Naxion | TBD | colony (Federation) | |||
| Necturop | Nekusa | TBD | colony (Federation) | |||
| Nehru II | Nehru | United Earth | TBD | colony (Earth) | ||
| Nervala IV | Nervala | TBD | colony (Federation) | inaccessible majority of 8-year cycle | ||
| Neskoromny's Planet | TBD | TBD | colony (TBD) | |||
| Nestor III | Nestor | natives | TBD | protectorate | ||
| Neural | Zeta Bootis | Neuralese | TBD | protectorate | ||
| New Aberdeen | Phi Galalius | New Aberdeen Qurom[1] | 2216[108] | colony settled by [[Earth prior to 2135; achieved independence & membership | ||
| New Accra | TBD | TBD | colony (TBD) | colony prior to 2256 | ||
| New Bajor | TBD | 2376 | colony (Bajor) | |||
| New Berlin | TBD | TBD | colony (TBD) | |||
| New Brisbane | Pagora | United Earth | TBD | colony (Earth) | ||
| New Bristol | Ceti Reguli | United Earth | TBD | colony (Earth) | ||
| New Brooklyn IX | New Brooklyn | TBD | colony (TBD) | |||
| New Dublin | Ceti Reguli | New Dublin Free State | 2202[1] | colony (Earth) | ||
| New France | TBD | United Earth | TBD | colony (Earth) | ||
| New Gaul | TBD | United Earth | TBD | colony (Earth) | ||
| New Halana | TBD | 2378 | colony (Halana) | the parent planet, Halana, is distant and not a member of the Federation | ||
| New Horizon | Dashai / Gamma Quadratis | TBD | colony (Federation) | |||
| New Kensington | Beta Aleph 703 | United Earth | TBD | colony (Earth) | ||
| New Laikan[1] | TBD | New Laikan Colonial Parliament[1] | 2210[1] | colony | ||
| New Milan | TBD | United Earth | TBD | colony (Earth) | the colony was destroyed around the late 2230s or early 2240s by the Tholians | |
| New Montevideo | TBD | United Earth | 2187 | colony (Earth) | established well-prior to 2230s | |
| New Paris | Omega Aurigae | Eighth French Republic[1] | 2227[1] | established 2105; achieved independence & membership; not to be confused with the colony on Turkana IV | ||
| New Princeton | Zozma / Delta Leonis | TBD | colony (Federation) | |||
| New Providence / Jouret IV | Jouret | United Earth | TBD | colony (Earth) | ||
| New Seattle / Penthara IV | Penthara | New Seattle Colony | 2263 | colony (Earth) | founded over 100 years prior to 2368 | |
| New Victoria | Nova Dimora | TBD | colony (Federation) | not FASA Vulcan | ||
| New Vulcan | TBD | New Vulcan Congress[1] | 2204[1] | colony (Vulcan) | ||
| New Xanno | TBD | Xanno | Government of Salvation[1] | 2229[1] | according to Tranquility Press, not a colony but a homeworld | |
| New Xindus | TBD | Xindi | Xindi Council | 2311 | New Xindus is the settled homeworld of the surviving Xindi species | |
| Nexus | Vdius Serpentus | TBD | colony (Federation) | |||
| Nicolii | Camon | colony (Earth)[2] | ||||
| Nigala IV | Nigala | TDB | TDB | Station Nigala IV orbits the planet | ||
| Niobe | Gamma Indus 552 | Andorian Empire | TBD | colony (Andoria) | ||
| Nivoch | TBD | TDB | TDB | there may or may not be a Cardassian colony co-located on this planet | ||
| Nivalla | TBD | TBD | TBD | |||
| Nodark | Nadarkis | natives | TBD | protectorate | ||
| Norassil | Norassen | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Norkan II | Norkan / Pi Hydrae | 2302 | colony (Federation} | Planet name and Joined are placeholders; "outposts" were destroyed and the personnel massacred in 2307[109] | ||
| Normality | Keldanar 383 | United Earth | TBD | colony (Earth) | ||
| Norpin | TBD | TBD | colony (TBD) | |||
| Nostravis | Nestor | TBD | colony (Federation) | shares system with the Nestor III protectorate | ||
| Nozseca VIII | Nozseca | 2236 | colony (Federation) | date is a placeholder; Star Fleet had a listening post here by 2241; site of the Assault of Nozseca VIII
| ||
| Oceanus IV | Oceanus | TBD | TBD | |||
| Ochat | TBD | Ochati | 2217[6][2] | |||
| Ogus II | Ogus | TBD | TBD | |||
| Ohniaka III | Ohniaka | TBD | colony (Federation) | |||
| Oloss | Olossa | TBD | colony (Federation) | |||
| Omar Prime | Omar | TBD | TBD | Omar Station orbits the planet | ||
| Omega IV | Omega | Omegan | TBD | Omegans are indistinguishable from Humans | ||
| Omega Cyngi II[1] | Omega Cyngi | Malurian | Malurian Republic[1] | 2220[1] | ||
| Omicron Delta III / Shore Leave | Omicron Delta | TBD | colony (Federation) | established by an unknown culture; colony serves for the study of the planet's infrastructure and for recreation | ||
| Omicron Lyrae VIc | Omicron Lyrae | Confederacy of Vulcan | 2244 | colony (Vulcan) | Joined is a placeholder | |
| Omicron Pascal II | Omicron Pascal | TBD | TBD | Planet name is a placeholder | ||
| Oneamisu III | Oneamisu | TBD | TBD | Planet & system were placed as namesakes for the (canon) sector | ||
| Ona | Ontail | Ontailian | 2374[110] | |||
| Ontara Prime | Ontara / Sigma Quadratis | TBD | colony (Federation) | |||
| Opa II[1] | Opa | Tellar Secundus[1] | 2221[1] | colony (Tellar Prime) | achieved colonial independence and membership | |
| Ophiucus III | 36 Ophiuchi | 2212[111] | colony (Earth) | |||
| Oriki | TBD | Oriki | TBD | |||
| Orion Prime / Orion III | Tabit / Pi 3 Orionis | Orion | TBD | |||
| Orontes | Oroness | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Osadj IIIa | Osadj | Osadjani | 2190[112] | |||
| Osiris VII | Osiris | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Osnullia | Osmada | Osnullus | 2209[2] | planet, system, and date are all SFC-generated | ||
| Othello | Jarvis Alpha | United Earth | TBD | colony (Earth) | ||
| Outpost 771 | TBD | TBD | colony (Federation) | access to the planet was lost in 2268 | ||
| Ovid | Pamellus | United Earth | TBD | colony (Earth) | ||
| Ovlon II | Ovlon | TBD | colony (Federation) |
| ||
| Pacifica | TBD | Selkie | 2250[2] | also the site of a Federation colony, established in early 2260s | ||
| Pahkwa Majoris | Pahkwa | Pahkwa-thanh | 2360[113] | |||
| Pallas IV | Pallas 105 | Deltan Union | TBD | colony (Delta IV) | ||
| Pallas Prime | Pallas 785 | TBD | colony (Federation) | |||
| Pallatrine | Gamma Omicron | TBD | colony (Federation) | |||
| Pampilia | Gamma Omicron | TBD | colony (Federation) | |||
| Pana | Panasa | United Planets of Tellar | TBD | colony (Tellar Prime) | same system as Grobnah | |
| Pandril | TBD | Pandrilite | Planetary Kingdom of Pandril[1] | 2215[1] | ||
| Pangea | TBD | United Earth | TBD | colony (Earth) | ||
| Paradimdas | Paradox | TBD | colony (Federation) | |||
| Paradira | Beta Rosa | Andorian Empire | TBD | colony (Andoria) | ||
| Parmentex | Parim 758 | Andorian Empire | TBD | colony (Andoria) | ||
| Parnasi | TBD | Parnasi | TBD | Part of the 2370s secessionist movement | ||
| Parturi Alpha II | Parturi Alpha | World Council | TBD | colony (Boliax) | ||
| Parturi Beta III | Parturi Beta | World Council | TBD | colony (Boliax) | ||
| Parnassus Beta | Parnassus | TBD | 2254 | colony (TBD) | founded prior to 2259 | |
| Passgate | Castor / Alpha Geminorum | TBD | colony (Federation) | same system as Castus | ||
| Pathos | Paradigm | United Earth | TBD | colony (Earth) | ||
| Patric's Planet | Paramindas 575 | TBD | colony (Federation) | |||
| Peliar Zel II | Peliar Zel | Peliar | 2296[6][2] | |||
| Peliar Zel Alpha | Peliar Zel | 2296[6][2] | colony (Peliar Zel II) | |||
| Peliar Zel Beta | Peliar Zel | 2296[6][2] | colony (Peliar Zel II) | |||
| Pentam V | Pentam | Pentamian | Pentamian Assembly | 2293[6][2] | ||
| Penzatti | TBD | Penzatti | TBD | |||
| Persephone III | Persephone | natives | 2254 | protectorate | Joined (as a protectorate) is a placeholder, as the pre-warp civilization was already known of by that time | |
| Persephone V | Persephone | TBD | TBD | colony (TBD) | could not be prior to 2259[114] | |
| Persistence | Nova Persis 288 | United Earth | TBD | colony (Earth) | ||
| Phi XI | Phi | 2264 | colony (TBD) | established prior to 2269 | ||
| Pike's Planet | Pitcara Prime | TBD | colony (Federation) | |||
| Pillum | Pillas Minora | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Piram III | Piram | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| P'Jem | Luyten's Star | Confederacy of Vulcan | 2161 | colony (Vulcan) | ||
| Pillagra | TBD | 2376 | colony (Bajor) | founded prior to 2269[115] | ||
| Planet Q | TBD | natives | 2254 | Joined prior to the end of the 2250s; not in FASA's Arcturus system | ||
| Platonius | Helios | Sahndaran | 2268 | quarantined | settled by the Sahndarans circa 100 BCE | |
| Pluuh II | Pluuh | TBD | colony (Federation) | |||
| Pollux IV | Pollux / Beta Geminorum | United Earth | TBD | colony (Earth) | settled post-2267 | |
| Porathia | TBD | TBD | TBD | TBD | TBD | |
| Posilitas | Posara | United Planets of Tellar | TBD | colony (Tellar Prime) | sister planet of Vathzhitra | |
| Precipice | Brightstar | United Earth | TBD | colony (Earth) | ||
| Primavera | Piras Zeta | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Primidara II | Primidara | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Principius | Princip | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Priors World / Priors II | Priors | TBD | 2241[2] | TBD | prior to 2256 | |
| Proxtrey / Alpha Proxima III | Alpha Proxima | natives | 2189 | protectorate | world devastated in 1168 nuclear war; two warring pre-warp cultures; protectorate established upon founding of Alpha Proxima II colony | |
| Prophet's Landing | TBD | 2376 | colony (Bajor) | |||
| Proxima Centauri | Alpha Centauri | Alpha Centauri Concordium of Planets | 2161 | colony (Alpha Centauri Prime / Earth) | colonized with support of Earth | |
| Psi Upsilon III | Psi Upsilon | TBD | TBD | TBD | TBD | same system as Psi Upsilon IV; hosts a Star Fleet Academy annex |
| Psi Upsilon IV | Psi Upsilon | TBD | TBD | TBD | TBD | same system as Psi Upsilon III |
| Purser's Planet | TBD | TBD | colony (TBD) | |||
| Pyrellia | Psi 5 Aurigae | Tandar Autocracy | TBD | colony (Tandar Prime) | ||
| Pyrithia | 26 Draconis | TBD | TBD | TBD | TBD | |
| Pythagos | TBD | Pythagian | Pythagos Clans | 2312[6][2] |
| |
| Qeyma Alpha III | Qeyma Alpha | World Council | TBD | colony (Boliax) | ||
| Qeyma Beta IV | Qeyma Beta | World Council | TBD | colony (Boliax) | ||
| Quadrix II | Quadrix | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Qualor II | Qualor | TBD | TBD | TBD | TBD | site of the orbiting Surplus Depot Z15 |
| Qualor III | Qualor | TBD | TBD | TBD | TBD | |
| Quam III | Quam | TBD | TBD | TBD | TBD | Planet name is a placeholder |
| Quarrel | Wolf 515 | TBD | colony (Federation) | |||
| Quazulu VIII | Quazulu | TBD | TBD | TBD | TBD | |
| Questar | Boron 667 | United Earth | TBD | colony (Earth) |
| |
| Raatooras | TBD | TBD | 2216 | colony (Arin'Sen) | former Klingon subject planet | |
| Raballex | Raballa | United Earth | TBD | colony (Earth) | ||
| Rachelis II | Rachelis | TBD | TBD | TBD | TBD | hosts Science Station Tango Sierra |
| Rakon IV | Rakon / 39 Tauri | Tandar Autocracy | 2328 | colony (Tandar Prime) | same system as Tandar Prime | |
| Rala III | Rala | United Earth | TBD | colony (Earth) | ||
| Raman | Lyrae 191[2] | TBD | colony (Federation) | System name is not FASA's | ||
| Ramilles II | Ramilles | United Earth | TBD | colony (Earth) | ||
| Rana IV | Delta Rana | 2361 | colony (Federation) | Joined is a placeholder; founded prior to 2366[116]; destroyed in 2366 | ||
| Ral'Nar | Bolarus | World Council | 2270 | colony (Boliax) | same system as Boliax, Ki'siu , Motal, & Rim | |
| Ramatis III | Ramatis | Ramatin | Ramata-Via[1] | 2204[1] | at least 2 in-system colonies | |
| Rashile | Ungethiem | United Earth | TBD | colony (Earth) | ||
| Ravanar IV | Ravanar | 2264[117][2] | colony (Federation) | |||
| Raven | Gamma Lyrae | TBD | colony (Federation) | |||
| Ravenna | Alpha Marak 272 | TBD | colony (Federation) | same system as San Sorella | ||
| Regula | TBD | n/a | 2282[2] | colony (Federation) | Regula 1 orbits the planet | |
| Regulus III | Regulus / Alpha Leonis / Gamma Zeta | Veliki | 2243[6][2] | first of three Class M planets in the Regulus system to join | ||
| Regulus IV | Regulus / Alpha Leonis / Gamma Zeta | Khonsui | 2287[6][2] | last of three Class M planets in the Regulus system to join | ||
| Regulus V | Regulus / Alpha Leonis / Gamma Zeta | Regulan | Regulan Trade Alliance[2] | 2251[6][2] | second of three Class M planets in the Regulus system to join | |
| Relva VII | Relva | TBD | TBD | TBD | TBD | |
| Rhaandaran / Rhaandarel | Alpha Indi | Rhaandarite | 2226[2] | |||
| Rider's End | Ridix | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Rigel II | Beta Rigel | 2275[29] | colony (Rigel III) | |||
| Rigel III | Beta Rigel | Chelarian | 2275[29] | including colony world Rigel II | ||
| Rigel IV | Beta Rigel | 2184[118] | colony (Rigel V) | |||
| Rigel V | Beta Rigel | Zami & Kaylar | 2184[118] | expelled in 2293; re-admitted in 2297 | ||
| Rigel XIV | Beta Rigel | 2271[2] | colony (Rigel XVa) | |||
| Rigel XVa | Beta Rigel | Jelna | 2271[2] | colonies: Rigel XIV, Rigel XVb, Rigel XVI | ||
| Rigel XVb | Beta Rigel | 2271[2] | colony (Rigel XVa) | |||
| Rigel XVI | Beta Rigel | 2271[2] | colony (Rigel XVa) | |||
| Rill Alpha III | Rill Alpha | Rillian[2] | TBD | |||
| Rill Beta IV | Rill Beta | TBD | {colony (Rill Alpha III)[2] | |||
| Rill Delta II | Rill Delta | TBD | {colony (Rill Alpha III)[2] | |||
| Rill Epsilon III | Rill Epsilon | TBD | {colony (Rill Alpha III)[2] | |||
| Rill Gamma II | Rill Gamma | TBD | {colony (Rill Alpha III)[2] | |||
| Rill Zeta IV | Rill Zeta | TBD | {colony (Rill Alpha III)[2] | |||
| Rim | Bolarus | World Council | 2270 | colony (Boliax) | same system as Boliax, Ki'siu , Motal, & Ral'Nar | |
| Risa | Epsilon Ceti B | Risan | Risian Hedony[1] | 2249[119][1] | ||
| Rivala Two | Rivala | Deltan Union | TBD | colony (Delta IV) | ||
| Riviera | Ochs | TBD | colony (Federation) | |||
| Ronara Prime | Ronara | TBD | TBD | TBD | TBD | |
| Rontelm | Gamma 400 / Aladso | 2262 | TDB | Joined is a placeholder; Starbase 12 is active NLT 2267 | ||
| Rover Prime | Rover / Sigma Barana | TBD | colony (Federation) | |||
| Roxan | Ampolis | TBD | colony (Federation) | |||
| Rrarash II | Rrarash | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| R'Riss | Zeta Kiladen | natives | TBD | protectorate | ||
| Ruah IV | Ruah | proto-natives | TBD | protectorate | ||
| Rudgur III | Rudgur | TBD | The "Defense of Rudgur III" (2248) saw the Klingons' first employment of chlortheragen gas to exterminate the majority of a Star Fleet Marine division | |||
| R'Vel | Andorian Empire | 2186 | colony (Andoria) | settled well prior to 2230s | ||
| Sadora | Sadora Rex | Deltan Union | TBD | colony (Delta IV) | same system as Ravenna | |
| St. Cyr | Wolf 672 | United Earth | TBD | colony (Earth) | ||
| St. Sebastian / Psi Nu Alpha | Psi Nu | United Earth | TBD | colony (Earth) | ||
| Salazaar III / Karnor III | Salazaar / Karnor | Andorian Empire | TBD | colony (Andoria) | ||
| Salazaar V / Karnor V | Salazaar / Karnor | Andorian Empire | TBD | colony (Andoria) | ||
| Selva | TBD | United Earth | 2367[120] | colony (Earth) | colony destroyed in 2368 by tsunami | |
| Soltok II / Soltok | Soltok / Soltok | TBD | colony (Federation) | becomes independent with the 2370 Federation-Cardassian treaty. | ||
| San Sorella | Alpha Marak 272 | TBD | colony (Federation) | |||
| Sandpinia | TBD | Sandpinian | Confederal Council of Sandpinians[1] | 2216[1] | ||
| Sauria | Psi Serpentis | Saurian | Global League of Lyaksti'kton | 2229[1] | ||
| Scandha' | Zeta Perseus | United Earth | TBD | colony (Earth) | ||
| Scoridia | TBD | Scoridian[2] | 2204[6][2] | |||
| Second Chance | Proxima Canaris | United Earth | TBD | colony (Earth) | ||
| Selay | Beta Renner | Selay | 2369 | same system as Antica | ||
| Selelvia | TBD | Selelvian | 2251 | UFP membership revoked (2376) | ||
| Selene | Selenean | Selenean | 2366[2] | |||
| Septra | TBD | 2251 | colony (Federation) | research colony that was attacked in 2256[121] | ||
| Serafin's Planet | Ruchbah / Cassiopeia Delta | United Earth | TBD | colony (Earth) | ||
| Shamin / O'Ryan's Planet | TBD | Shamin | 2277[2] | indigenous, non-spacefaring people; first contacted by Paddy O'Ryan in 2198[2]; planet named after him until at some point changed to Shamin | ||
| Sherman's Planet | FGC-24187 / Homag | 2267[122] | colony (Federation) | |||
| Shesint III | Shesint | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Shol IV | Shol | Regulan Trade Alliance | 2243 | colony (Regulus V) | Planet name is a placeholder | |
| Sigma Draconis III | Sigma Draconis / Alsafi / 61 Draconis / Sigma Beta 443 | natives | 2165 | protectorate | ||
| Sigma Draconis IV | Sigma Draconis / Alsafi / 61 Draconis / Sigma Beta 443 | natives | 2165 | protectorate | ||
| Sigma Draconis V | Sigma Draconis / Alsafi / 61 Draconis / Sigma Beta 443 | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Sigma Draconis VI | Sigma Draconis / Alsafi / 61 Draconis / Sigma Beta 443 | Eymorg | 2268 | protectorate | ||
| Sigma Iotia II | Sigma Iotia | Iotian | 2368 | protectorate | ||
| Silicasca | Silicasa | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Silivis | Silivar | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Sinbad IV | Sinbad / Scheherazad | United Earth | TBD | colony (Earth) | ||
| Sind | Sindarius | Deltan Union | TBD | colony (Delta IV) | ||
| Singularity II | Singularity | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Sirrie IV | Sirrie | TBD | ||||
| Sivao | TBD | Sivaoan | TBD | also the ancestral home of the Eeiauoans | ||
| Socrata | Rho Drunir | TBD | colony (Federation) | |||
| Sojourn | Servitrix | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Spica | Alpha Virginis / Juris Canopus | TBD | colony (Federation) | |||
| Springboard / Beta Sirius V | Sirius / Alpha Canis Majoris | Alpha Centauri Concordium of Planets | 2161 | colony (Alpha Centauri Prime) | settled in 2153[2][123] | |
| Ssan | Alpha Gederix | Ssani | 2260[2] | |||
| S'Sleen | Beta Virgilis | natives | TBD | protectorate | ||
| S'Sliss | Beta Virgilis | natives | TBD | protectorate | ||
| S'ti'ach'aas | TBD | S'ti'ach | 2371[2] | |||
| Stilhe Alpha IV | Stilhe Alpha | World Council | TBD | colony (Boliax) | ||
| Stilhe Beta II | Stilhe Beta | World Council | TBD | colony (Boliax) | ||
| Straleb | Madena | Madenan[2] | Coalition of Madena | TBD | sister planet of Atlec | |
| Styris IV | Styris | Styrisian | TBD | |||
| Succour | Zeta Maximus | United Earth | TBD | colony (Earth) | ||
| Sulamia[1] | TBD | Sulamid | Sulamidus Civil Authority[1] | 2204[1] | ||
| Surak I | Filtra / Surak | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Surak II | Filtra / Surak | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Sustenance | Sestarci 124 | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Synchrinity | Gamma Trixis | United Earth | TBD | colony (Earth) | ||
| Syrath | Syr | Syrath | 2336[6][2] | |||
| Syrinx III | Syrinx | Andorian Empire | 2161[2] | colony (Andoria) | founded in 2141
| |
| Tabulon / Tir Kapov II | Tir Kapov | TBD | colony (Federation) | former Orion colony before being sold to Star Fleet | ||
| Tak II | Tak | TBD | TBD | only appears on the startrekmaps chart | ||
| Talin IV | Talin | Talin | TBD | protectorate | Talin IV received Prime Directive protectorate status at some point prior to the 2250s; about 2270, they receive regular Federation membership[124] | |
| Tamarind | Tamaros | United Earth | TBD | colony (Earth) | sister planet to Tamerlane | |
| Tamerlane | Tamaros | United Earth | TBD | colony (Earth) | sister planet to Tamarind | |
| Tanalorne | Alpha Vegetis | TBD | colony (Federation) | |||
| Tanaris IX | Tanaris | TBD | colony (Federation) | cut off from the Federation by the Lantaru Void disruption in 2268 | ||
| Tandar Prime | Rakon / 39 Tauri | Tandaran | Tandar Autocracy | 2328[125][6][2] | same system as Rakon IV | |
| Tantalus V | Tantalus | TBD | colony (Federation) | site of the Tantalus Penal Colony | ||
| Tarletus II | Tarletus | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | ||
| Tarod IX | Tarod | TBD | colony (Federation) | site of the Tarod IX Outpost, established NLT the mid-2150s; destroyed in 2364 by Borg | ||
| Tarry Awhile | Carmara 712 | TBD | colony (Federation) | |||
| Tarsus II / Tarsis II | Tarsus / Tarsis | Tarsusian | TBD | first contact in 2268; membership soon after | ||
| Tarsus IV / Tarsis IV | Tarsus / Tarsis | 2198[2] | colony (Federation) | founded in the late 22nd century by Earth-Romulan War veterans[126] | ||
| Taryton | Wolf 698 | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Ta'Trosha IV | Ta'Trosha | Ta'Troshan | 2361[127] | |||
| Tau Ceti Prime / Amber / Tau Ceti IV | Tau Ceti | United Earth | 2161 | colony (Earth) | settled in 2077 | |
| Tavela Minor | Tavela | TBD | presuming the "Minor" suggests a "Major" or "Prime" planet in the system | |||
| Tehuan | TBD | TBD | colony (Federation) | small colony as of 2366[94] | ||
| Telcos | Telcosus | Andorian Empire | TBD | colony (Andoria) | ||
| Tellamarkus | TBD | United Planets of Tellar | TBD | colony (Tellar Prime) | Not in FASA's 61 Cygni | |
| Temelicus | Molinus | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | sister planet to Termala & Tunidity | |
| Tenara | TBD | see note | 2287[2] | homeworld for the Tenarans, Preserver-transplanted Humans | ||
| Tendar IV | Tendar | Tendaran | 2265 | quarantined | ||
| Tendara | TBD | TBD | colony (Federation) | founded prior to 2247 | ||
| Tenebia | Alpha Comae Berenices | Tenebian | 2304[2] | |||
| Teneebia / Yadalla Prime | Yadalla | Yadallan | TBD | former Debrune colony | ||
| Terellia | TBD | Terellian | TBD | |||
| Termala | Molinus | Alpha Centauri Concordium of Planets | TBD | colony (Alpha Centauri Prime) | sister planet to Temelicus & Tunidity | |
| Terra Nova | Eta Cassiopeiae | Terra Nova Colony | 2178[1] | colony (Earth) | associate member (2161-2178) | |
| Terrellian II / Thelema | Terrellian | Thelemite & Terralyn | 2308[2] | settled by the Terralyns, unaware of the original Tessenites held in organic stasis | ||
| Tesnia | TBD | Tesnian | 2231[6][2] | |||
| Tessen III | Tessen | Tessenite | 2206[2] | |||
| Testament | Sigma Cygni 57 | TBD | colony (Federation) | |||
| Th'allt | Thalak | Andorian Empire | TBD | colony (Andoria) | ||
| Thalos VI | Thalos | native species[128] | 2259[2] | sister planet to Thalos VII; natives' homeworld was either this planet or the other | ||
| Thalos VI | Thalos | 2259[2] | sister planet to Thalos VI; natives' homeworld was either this planet or the other | |||
| Thanatos VII | Thanatos | TBD | TBD | |||
| Thasus IV | Thasus | Thasian | 2266[129] | quarantine | ||
| Thesalla | Tharsis | Andorian Empire | TBD | colony (Andoria) | ||
| Theta VII | Theta Gamma | TBD | colony (Federation) | |||
| Theta Delta II | Theta Delta | TBD | ||||
| Theta Kalyb | TBD | TBD | colony (Earth) | the colony was destroyed by the Tholian-aligned Chakuuns in 2254. | ||
| Thomsworld | TBD | TBD | colony (Federation) | |||
| Thoris | Equess | United Earth | TBD | colony (Earth) | ||
| Thranstor IV | Thranstor | TBD | colony (Federation) | |||
| Thraxis | Thrax | Thraxian[2] | TBD | |||
| Threllvia IV | Threllvia | Threllvian | 2262[2] | a homeworld & also site of a small Andorian colony | ||
| Tiburon | Omega Fornacis | Tiburon | Tiburonian Quito[1] | 2229[130] | associate member (2177[1]-2229) | |
| Titan | Sol | United Earth | 2161 | colony (Earth) | moon of Saturn | |
| Tlorsh / Anchor | Beta Hydra 378 | United Planets of Tellar | TBD | colony (Tellar) | ||
| Totoro / Braslota I | Braslota | TBD | sister planet to Kei, Yuri; at least one of the three planets is inhabited and is tropical | |||
| Trebus | TBD | United Earth | 2203[2][131] | colony (Earth) | "several generations" has been interpreted as "7" | |
| Triacus | TBD | United Earth | TBD | colony (Earth) | small colony prior to 2268; later century a larger colony is established | |
| Triex | TBD | Triexian | Triexian Curia[132] | 2374[132] | closely aligned with the Federation until finally joining | |
| T'Rillan | T'Rill | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Trillius Prime | Trill | Trill (humanoid) & Trill (symbiote) | 2227[6][2] | |||
| Trimarka | Draco Minora | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Trinity | Boristar | TBD | colony (Federation) | |||
| Triona II | Triona | TBD | colony (Federation) | |||
| Triskelion | M24 | Provider | 2268 | quarantined | ||
| Triton | Draco Ursula | United Planets of Tellar | TBD | colony (Tellar Prime) | not to be confused with the moon of Neptune | |
| Trixex | Beta Corvela | TBD | colony (Federation) | |||
| Troyius | Tellun | Troyian | Troyius Tribunal | 2311[2] | join after 2268 and before 2378; sister planet to Elas | |
| Tulan IV[1] | Tulan | TBD | Tulana Union[1] | 2221[1] | colony | |
| Tunidity | Molinus | TBD | colony (Federation) | sister planet to Temelicus & Termala | ||
| Turbulence | Ganleiy | TBD | TBD | colony (TBD) | ||
| Tyberius III | Tyberius / Mu Aquilae | TBD | ||||
| Tygar | TBD | Tygarian | 2219[2] | |||
| Typerias | Gamma Persei | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Tyra III | Tyra | TBD | not the home system of nor related to the Tyrans | |||
| Tyree | TBD | TBD | ||||
| Tyrellia | Tyrelli | Tyrellian | 2285 | |||
| Tyrst | Barnard 392 | TBD | colony (Federation) | |||
| Tyrus VII | Tyrus | Tyran[133] | 2337[6][2] |
| ||
| Ullia[2] | TBD | Ullian[134] | Ullian Free State[135] | TBD | ||
| Umoth VIII | Umoth | TBD | colony (Federation) | became independent in 2370 per Federation-Cardassian Treaty | ||
| Unity | F'rhircch | United Earth | TBD | colony (Earth) | ||
| Ursula | Beta Norab | Confederacy of Vulcan | TBD | colony (Vulcan) | ||
| Vacca VI | Vacca | Boraalan | 2370[136] | protectorate | uninhabited until the Boraalans were (unknowingly) transplanted in lieu of extinction (they think they remain on Boraal II. | |
| Valo II | Valo | 2376 | colony (Bajor) | |||
| Valo III | Valo | 2376 | colony (Bajor) | |||
| Valzhan | TBD | Valzhan | 2268[137][6][2] | |||
| Vanados II | Vanados | TBD | ||||
| Vancadia / Chrellkan III | Chyrellkan | 2269 | colony (Chrellkan IV) | Humans from Chrellkan IV | ||
| Vandalia IV | Vandalia | Vandalia Tri-Council[2] | TBD | colony (Federation) | sister world to Vandalora & Voltaire | |
| Vandalora / Vandalia II | Vandalia | Vandalia Tri-Council[2] | TBD | colony (Federation) | sister world to Vandalia IV & Voltaire | |
| Vardaine / Harlequin III | Harlequin | United Earth | TBD | colony (Earth) | sister planet to Aloysia (a non-member planet world) | |
| Vargus | Theta Majoris | United Planets of Tellar | TBD | colony (Tellar Prime) | ||
| Varria | TBD | TBD | ||||
| Vathzhitra / Resolution | Posara | Confederacy of Vulcan | TBD | colony (Vulcan) | sister planet of Posilitas | |
| Veda IV | Veda | TBD | ||||
| Vega III | Vega / Alpha Lyrae | Vegan Colonial Authority[1] | 2164[1] | colony (Earth) | formerly inhabited by the extinct Vegans; sister to Vega IV & Vega IX | |
| Vega IV | Vega / Alpha Lyrae | Vegan Colonial Authority[1] | 2164[1] | colony (Earth) | formerly inhabited by the extinct Vegans; sister to Vega III & Vega IX | |
| Vega IXa | Vega / Alpha Lyrae | Vegan Colonial Authority[1] | 2164[6][1] | colony (Earth) | a moon of Vega IX; former homeworld of the extinct Vegans; sister to Vega III & Vega IV | |
| Velat Nol | TBD | 2376 | colony (Bajor) | founded prior to 2269[138] | ||
| Vendikar / Eminiar III | Eminiar | 2288[2] | former colony of and sister planet to Eminiar VII; devastated by nuclear exchange in 2271[75] | |||
| Vejar | TBD | TBD | ||||
| Verdanis / Verdantin | Beta Cephei | Verdanite | 2300[2] | 21st century mutated Humans, transplanted from Terratin colony joined post-2269 & pre-2378 | ||
| Veridian IV | Veridian | natives | 2371 | protectorate | "pre-industrial sentient species"[139] | |
| Vesta | TBD | 2236 | colony (Federation) | date is a placeholder; Vesta is the site of an early (2241) Four Years War conflict in which Star Fleet lost a number of ships while defending its colony. | ||
| Vestios Prime | Vestios | Vestian | Vestian Council | 2310[140] | ||
| Vestios II | Vestios | Vestian Council | 2310 | colony (Vestios Prime) | ||
| Vico V | Vico | 2320[2] | colony (Federation) | |||
| Videtu | Videtti | Deltan Union | TBD | colony (Delta IV) | ||
| Virtue | M67 Alpha | TBD | colony (Federation) | |||
| Violes II[1] | Violes[1] | Violesian | Quilo of Violes[1] | 2203[1] | ||
| Vistil Major | Vistil | Confederacy of Vulcan | TBD | (Vulcan) | ||
| Vobilin | TBD | Vobilite | Vobi Villum[1] | 2179[1] | early member of the UFP | |
| Vola V | Vola | 2261[2] | colony (Federation) | settled by the Federation after the (apocryphal) Four Years War | ||
| Volan III | Volan / Volon | TBD | colony (Federation) | a former UFP colony system that became independent with the 2370 Federation-Cardassian treaty | ||
| Voltaire / Vandalia III | Vandalia | Vandalia Tri-Council[2] | TBD | colony (Federation) | sister world to Vandalia IV & Vandalora | |
| Vorgos | TBD | Vorgon | 2358[4] | |||
| Vorna II | Vorna | Andorian Empire | TBD | colony (Andoria) |
| |
| Wall / Bahr VI | Bahr | United Earth | TBD | colony (Earth) | ||
| Wanderlust | Sigma Borella | TBD | colony (Federation) | |||
| Weytahn / Paan Mokar | TBD | Andorian Empire | 2161 | colony (Andoria) | site of former tension between the Andorians and the Vulcans | |
| William's Pit | Pasara Majoris | TBD | colony (Federation) | |||
| Wrigley's Pleasure Planet | TBD | TBD | colony (Federation) |
| ||
| Xarantine Prime | Xarantine / Zeta Leporis | Xarantine | TBD | |||
| Xelata / Tau 56 III | Tau 56 | Xelatian | Concorda[1] | 2289[2] | first contact 2282 | |
| Xerxes[2] | Golumbin 699 | TBD | colony (Federation) | sister planet to Golumbin 699 VII & Zacarious; FASA names this "Xerxes III" & "Golumbin 699 III" | ||
| Xyrillia / Xirillia | TBD | Xyrillian | 2259[2] | date arbitrary, before 2300
| ||
| Yajj IV | Yajj | TBD | ||||
| Yeartes / Triangeles II | Triangeles | TBD | colony (Federation) | corporate agricultural world for delicacy Finagle's Fist; populated only by employees | ||
| Yridia Prime | Yridia | Yridian | 2363[2] | first contact in 2360s | ||
| Yuri / Braslota II | Braslota | TBD | sister planet to Totoro, Yuri; at least one of the three planets is inhabited and is tropical
| |||
| Zacarious | Golumbin 699 | United Earth | TBD | colony (Earth) | sister planet to Xerxes & Golumbin 699 VII | |
| Zadar IV | Zadar | United Earth | 2315[2] | colony (Earth) | ||
| Zakdorn | Zakdorn | Zakdorn | Zakdorn Policy Committee[1] | 2242[1] | full | |
| Zalda / Zald | Dolium | Zaldan | 2290[5] | |||
| Zambu[1] | TBD | Zambuan | Zambean Principate[1] | 2230[1] | ||
| Zamphor / Digifal III | Digifal | TBD | protectorate | abandoned homeworld of unnamed species[141] | ||
| Zanri | TBD | Zanri | 2292[6][2] | |||
| Zaran II | Zaran / Mu Capricorni | Zaranite | Zaranite Cabinet[1] | 2268[6][2] | ||
| Zarin | TBD | Zarin | 2206[6][2] | |||
| Zarus | Zarus Thustra | United Earth | TBD | (colony (Earth) | ||
| Zelonius | TBD | Zelonite[142] | 2226[143] | purportedly the 40th member of the UFP | ||
| Zelus | TBD | Zelonite People's Guild[1] | 2195[1] | |||
| Zeon | M43 Alpha | Zeoni | 2294[2] | had achieved interplanetary travel by mid-23rd century | ||
| Zeta Alpha II | Zeta Alpha | TBD | ||||
| Zeta Fornacis II | Zeta Fornacis | TBD | ||||
| Zeta Reticuli A | Zeta Reticuli | TBD | inhabitable, but unknown if inhabited | |||
| Zeta Reticuli II | Zeta Reticuli | Zeta Reticulan | 2274[2] | quarantined | Zeta Reticulans evacuated in mid-2270s to another (unnamed) planet | |
| Zeta Reticuli IV | Zeta Reticuli | TBD | colony (Federation) | site of an underground Federation outpost | ||
| Zhraad II | Zhraad | TBD | colony (Federation) | |||
| Zorn I | Zorn / Theta Rill | United Earth | TBD | (colony (Earth)[144] | ||
| Zorn II | Zorn / Theta Rill | United Earth | TBD | (colony (Earth)[144] | ||
| Zwaalan / Immel III | Immel | United Earth | TBD | (colony (Earth) | agricultural lumber colony | |
| Zytchin III | Zytchin | 2278[2] | colony (Federation) |
Notes
References
- ↑ 1.000 1.001 1.002 1.003 1.004 1.005 1.006 1.007 1.008 1.009 1.010 1.011 1.012 1.013 1.014 1.015 1.016 1.017 1.018 1.019 1.020 1.021 1.022 1.023 1.024 1.025 1.026 1.027 1.028 1.029 1.030 1.031 1.032 1.033 1.034 1.035 1.036 1.037 1.038 1.039 1.040 1.041 1.042 1.043 1.044 1.045 1.046 1.047 1.048 1.049 1.050 1.051 1.052 1.053 1.054 1.055 1.056 1.057 1.058 1.059 1.060 1.061 1.062 1.063 1.064 1.065 1.066 1.067 1.068 1.069 1.070 1.071 1.072 1.073 1.074 1.075 1.076 1.077 1.078 1.079 1.080 1.081 1.082 1.083 1.084 1.085 1.086 1.087 1.088 1.089 1.090 1.091 1.092 1.093 1.094 1.095 1.096 1.097 1.098 1.099 1.100 1.101 1.102 1.103 1.104 1.105 1.106 1.107 1.108 1.109 1.110 1.111 1.112 1.113 1.114 1.115 1.116 1.117 1.118 1.119 1.120 1.121 Tranquility Press: "Federation Members, 2161-2300"
- ↑ 2.000 2.001 2.002 2.003 2.004 2.005 2.006 2.007 2.008 2.009 2.010 2.011 2.012 2.013 2.014 2.015 2.016 2.017 2.018 2.019 2.020 2.021 2.022 2.023 2.024 2.025 2.026 2.027 2.028 2.029 2.030 2.031 2.032 2.033 2.034 2.035 2.036 2.037 2.038 2.039 2.040 2.041 2.042 2.043 2.044 2.045 2.046 2.047 2.048 2.049 2.050 2.051 2.052 2.053 2.054 2.055 2.056 2.057 2.058 2.059 2.060 2.061 2.062 2.063 2.064 2.065 2.066 2.067 2.068 2.069 2.070 2.071 2.072 2.073 2.074 2.075 2.076 2.077 2.078 2.079 2.080 2.081 2.082 2.083 2.084 2.085 2.086 2.087 2.088 2.089 2.090 2.091 2.092 2.093 2.094 2.095 2.096 2.097 2.098 2.099 2.100 2.101 2.102 2.103 2.104 2.105 2.106 2.107 2.108 2.109 2.110 2.111 2.112 2.113 2.114 2.115 2.116 2.117 2.118 2.119 2.120 2.121 2.122 2.123 2.124 2.125 2.126 2.127 2.128 2.129 2.130 2.131 2.132 2.133 2.134 2.135 2.136 2.137 2.138 2.139 2.140 2.141 2.142 2.143 2.144 2.145 2.146 2.147 2.148 2.149 2.150 2.151 2.152 2.153 2.154 2.155 2.156 2.157 2.158 2.159 2.160 2.161 2.162 2.163 2.164 2.165 2.166 2.167 2.168 2.169 2.170 2.171 2.172 2.173 2.174 2.175 2.176 2.177 2.178 2.179 2.180 2.181 2.182 2.183 2.184 2.185 2.186 2.187 2.188 2.189 2.190 2.191 2.192 2.193 2.194 2.195 2.196 2.197 2.198 SFC
- ↑ Memory Beta: "Ajilon Prime"
- ↑ 4.0 4.1 Memory Beta: "Sector Sigma-485"
- ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 5.15 5.16 5.17 USS Theurgy: "Federation Member Species (2381)"
- ↑ 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 6.24 6.25 6.26 6.27 6.28 6.29 6.30 6.31 6.32 6.33 6.34 6.35 6.36 6.37 6.38 6.39 6.40 6.41 6.42 6.43 6.44 6.45 6.46 6.47 6.48 6.49 TrekBBS: "Members of the Federation"
- ↑ Memory Beta: "Alonis"
- ↑ 8.0 8.1 SFC: Altair Quadrant
- ↑ 9.0 9.1 9.2 Guide: 2200-2240 - Way of the Warrior
- ↑ Memory Alpha: "Antede III"
- ↑ The Federation (FASA), p. 44
- ↑ Memory Beta: "Ardana"
- ↑ Memory Beta: "Arken II"
- ↑ Memory Beta: "Federation members"
- ↑ Memory Beta: "Arteline IV"
- ↑ Memory Beta: "Bajor"
- ↑ Memory Beta: "Barsoom"
- ↑ Memory Alpha: "Barzan"
- ↑ Memory Alpha: "Benecia Colony"
- ↑ Memory Beta: "Benzite"
- ↑ 21.0 21.1 Memory Alpha: "The Return of the Archons (episode)"
- ↑ Memory Alpha: "Eye of the Beholder (episode)"
- ↑ 23.0 23.1 Memory Alpha: "Sirius IX"
- ↑ Memory Beta: "Betazed"
- ↑ 25.0 25.1 25.2 Memory Beta: "Betelgeuse"
- ↑ Memory Beta: "Bijani"
- ↑ Guide: Guardian
- ↑ Planets of the UFP (Last Unicorn Games)
- ↑ 29.0 29.1 29.2 Worlds (Decipher sourcebook)
- ↑ Cait
- ↑ Memory Alpha: "Caleb IV"
- ↑ Memory Alpha: "Kaleb"
- ↑ Memory Beta: "Callista"
- ↑ Memory Alpha: "Campor III"
- ↑ Memory Alpha: "Alpha Carinae II"
- ↑ Memory Alpha: "Carema III"
- ↑ Memory Beta: "Roxan"
- ↑ Memory Alpha: "Catulla"
- ↑ Memory Beta: "Centrelis"
- ↑ Memory Alpha: "Cerberus system"
- ↑ 41.0 41.1 41.2 41.3 Memory Beta: "Chandran"
- ↑ Memory Alpha: "Renegade (novel)"
- ↑ Memory Beta: "Cimera III"
- ↑ Memory Alpha: "Colony Alpha 5"
- ↑ Memory Beta: "Cor Caroli IX"]
- ↑ Memory Alpha: "Corvan II"
- ↑ Memory Alpha: Crepusculan
- ↑ 48.0 48.1 48.2 Star Charts
- ↑ Memory Beta: "Cygnus III"
- ↑ Memory Beta: "Cygnus system"
- ↑ Memory Beta: "Dextera 273"
- ↑ Memory Alpha: "Dalvos Prime"
- ↑ Memory Alpha: "Danula II"
- ↑ Guide: Rochester
- ↑ Memory Beta: "Darius IV"
- ↑ Memory Beta: "Dedderai"
- ↑ Memory Alpha: "Delba II"
- ↑ Memory Alpha: "Delta Theta III"
- ↑ Memory Alpha: "Delta Vega"
- ↑ Memory Beta: "Deneb Kaitos II"
- ↑ Memory Beta: "Deneb Kaitos V"
- ↑ Memory Alpha: "A Quality of Mercy (episode)"
- ↑ Memory Alpha: "Denkir system"
- ↑ Memory Alpha:"Doctari Alpha"
- ↑ Memory Beta: "Gary"
- ↑ Memory Alpha: "Draken system"
- ↑ Memory Alpha:"Draygo IV"
- ↑ Memory Beta: "Drema IV"
- ↑ Memory Beta: "... Like a Woman Scorned!"
- ↑ Memory Beta: "Drozana Station"
- ↑ Memory Alpha: "Dulisian IV"
- ↑ Memory Beta: "Earth Colony 7"
- ↑ Memory Beta: "Lipul"
- ↑ Memory Alpha: "Elba II"
- ↑ 75.0 75.1 Memory Alpha: "Eminiar_VII"
- ↑ Memory Alpha: "Evora"
- ↑ Memory Alpha: "Fellebia"
- ↑ Memory Alpha: "Finibus III"
- ↑ Memory Beta: "Galakhi"
- ↑ Memory Alpha: "Gamma Hydra IV"
- ↑ Memory Beta: "Gamma Tauri IV"
- ↑ Memory Alpha: "Gamma Trianguli VI"
- ↑ "Gault"
- ↑ Memory Beta: "Gelladorn"
- ↑ Articles of the Federation (novel)
- ↑ "Rey"
- ↑ Memory Alpha: "The Death of Princes"
- ↑ Memory Alpha: "Ithenite"
- ↑ Memory Alpha:"Ivor Prime"
- ↑ Memory Beta: "Devil's Bargain"
- ↑ Memory Alpha: "Tau Ceti III"
- ↑ Memory Alpha: "Kiley 279"
- ↑ Memory Beta: "The Buried Age"
- ↑ 94.0 94.1 Memory Beta: "Doomsday World"
- ↑ Memory Beta: "Koa"
- ↑ Memory Beta: "Koltaari (planet)"
- ↑ Memory Beta: "Lendrin"
- ↑ Memory Beta: "M-113"
- ↑ Memory Alpha: "892-IV"
- ↑ Memory Alpha: "https://memory-alpha.fandom.com/wiki/Mantilles"
- ↑ Memory Beta: "Mariposa"
- ↑ Memory Alpha: "Melona IV"
- ↑ Mere Anarchy (novel)
- ↑ Memory Alpha: "Mintakan"
- ↑ Memory Alpha: "Omicron Ceti III"
- ↑ Memory Alpha: "Miri (episode)"
- ↑ Memory Beta: "Gemini"
- ↑ SFC: New Aberdeen
- ↑ Memory Beta: "Norkan Campaign"
- ↑ Memory Beta: "Ontailian"
- ↑ Memory Beta: "Ophiucus III"
- ↑ Memory Beta: "Osadjani"
- ↑ Memory Beta: "Pahkwa-thanh"
- ↑ Memory Alpha: "Persephone system"
- ↑ Memory Beta: "Pillagra"
- ↑ Memory Alpha: "Rana IV"
- ↑ Memory Beta: "Ravanar IV"
- ↑ 118.0 118.1 The Worlds of the Federation (Pocket Books)
- ↑ Memory Beta: "Risa"
- ↑ Memory Beta: "New Reykjavik"
- ↑ Mission Alpha: "Septra"
- ↑ "Sherman's Planet"
- ↑ Memory Beta: "Springboard"
- ↑ Memory Beta: "Talin"
- ↑ Memory Beta: "Tandaran"
- ↑ Memory Beta: "Tarsus IV"
- ↑ Memory Beta: "Ta'Troshan"
- ↑ Memory Alpha: "Thalos"
- ↑ Memory Beta: "Thasus"
- ↑ Starfleet Operations Manual (Decipher), p56
- ↑ Memory Alpha: "Trebus"
- ↑ 132.0 132.1 Memory Beta: "Triex"
- ↑ Memory Alpha: "Tyran"
- ↑ Memory Alpha: "Ullian"
- ↑ Memory Beta: "Ullian Free State"
- ↑ Memory Alpha: "Boraalan"
- ↑ Memory Beta: "Valzhan"
- ↑ Memory Beta: "Velat Nol"
- ↑ Memory Alpha: "Veridian"
- ↑ Memory Beta: "Vestians"
- ↑ Memory Beta: "Zamphor"
- ↑ Memory Alpha: "Zelonite"
- ↑ Edge Of Midnight: "Timeline of Events"
- ↑ 144.0 144.1 Memory Beta: "Zorn I"