Federation Members

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Article in state of progress. Dates from The Guide take precedence. Bold represents best judgment due to lack of definitive canon information.

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
Earth Sol Human United Earth 2161 full
Tellar Prime Tellarite United Planets of Tellar 2161 full
Vulcan Vulcan Confederacy of Vulcan 2161 full
Aaamazzara Aaamazzarite 2243[1][2]
Adhara III Adhara Canaran 2319 see notes for join date
Adhara IV Adhara 2319 colony (Earth)
Aerie Xindi Council 2311 colony (New Xindus)
Alaj 2351[3] source indicates sometime in the 2350s
Aldebaran Aldebaran 2216 indigenous population; joined after colonization by Earth
Algol Algolian 2280
Alonis Alonis 2336[1][4]
Alpha III 2163 full
Alpha Proxima II Alpha Proxima 2236 Federation colony (2189)
Altair VI 2176[5][2] withdraws 2239; rejoins as the Altair Quadrant (with Altair III & Altair IV) in 2269
Althos Bzzit Khaht 2279
Ana'Siuol Ana'siuolo 2235[1][2]
Andros III Androsian 2366[1][2]
Angosia Angosian 2371 had to be a number of years after 2366 (TNG: "The Hunted")
Antares II Antaran 2301[1][2]
Antares VIII Antaran 2291[1][2]
Antede III Antedean 2368[1][2][6]
Antica Beta Renner Antican 2369 same system as Selay
Antos IV Antosian 2300[1][2]
Arbaza Arbazan 2172[1][2]
Arcadia Arcadian 2285
Archer IV
Arcturus Arcturian 2192[1][2]
Ardana Ardanan Plutocracy of Ardana 2263[7] withdrew in 2269; re-joined 2307[2]
Argelius Argelian 2230[1]
Arkaria Arkarian 2203
Arken II Arkenite 2165[8] former subjects of the Andorian Empire; released in 2161
Aronnia Aronnian 2253[9]
Arvada III - 2335[1][2] Former Federation colony world
Asario Asarion 2341[1][2]
Atrea IV Atrea Atrean 2271[1][2]
Aulac Aulacri 2181
Aurelia II Aurelian 2168[1][2]
Axanar Axanarri 2210[1][2] declared independence in August 2241[5]; rejoined 2250[5]
Azati Prime Xindi Council 2311 colony (New Xindus)


Ba'ku Ba'ku 2377
Bajor B'hava'el Bajoran Third Republic of Bajor 2376[10] full
Barzan II Barzan 2417 joined sometime in the early 25th century[11]
Benzar Benzite 2366[12]
Berengaria VII 2173 Confederacy of Vulcan / United Earth colony; joined shortly after Romulan War/UFP founding
Beta Antares IV Antaran 2269[1][2]
Betazed Beta Zeta Betazoid Betazed Ruling Council 2273[13][2] full 2273: probationary status; 2294: full admittance
Betelgeuse Betelgeusian 2230
B'hal Ta 2376 colony (Bajor)
Bijan Bijani 2332 "encountered by the United Federation of Planets during the 24th century"[14]
Bilana III Bilannan 2317[1][2][15]
Binderia Binderian 2178
Boliax Bolian World Council 2270[16][17][2] full
Bre'el IV Bre'ella 2349[1][2]
Buran Burani 2369
Bynaus Beta Magellan Bynar 2313[1][2]


Cairn Cairn 2370[1]
Cait Caitian 2249 full First contact (by Federation) in 2219
Caldos II - - 2334[1][2] Former Federation colony world
Candelar IV Candelaran 2350[1][2]
Canopus Alpha Corinae Human 2308[1][2] presumed to be a Human colony
Carnegie 2369[1][2] originally unaligned Human & various colony
Casperia Prime 2263[1][2] initially a colony (prior to 2175), before achieving membership
Catulla Catullan 2279 after 2269[18]
Cebelrai Beta Ophiuchi 2234 colony (Federation)
Centrelis Centrelians 2294[19]
Cestus III Human 2271 colony (Federation) Star Fleet outpost (2265) destroyed in 2267; colony established following
Choblav Choblik 2319[1][2]
Chrellkan IV Human 2330[1][2] Human colony (not necessarily in membership terms), but not apparently from Earth
Coridan III Coridan Coridan People’s Republic of Coridan 2267 has 4 colony worlds
Coridan IX Coridan People’s Republic of Coridan 2267 colony (Coridan III)
Creras 2251 colony (Regulus V)
Cruul 2251 colony (Regulus V)
Csau 2251 colony (Regulus V)
Cygnet XIVa Cygnian 2251[20]


Damiano Damiani 2371[1] protectorate protectorate status in 2341[2]
Dantar Federation & Klingons 2350 prior to 2357
Danter Danteri 2371
Daran V Kachissat Shesshran 2227 indigenous population; joined after colonization by Earth; "recently admitted" (by 2231) (per Guide: Rochester).
Darona 2273 colony (Betazed)
Dedderai Dedderac 2172[21][1][2]
Delb II Delbian 2322
Delta IV Deltan Deltan Union 2266
Delta Sigma IV Bader & Dorset 2378[1][2]
Deneb II (Deneb Kaitos II) Denebian/Human 2377
Deneb IV (Alpha Cygni IV) Bandi 2377
Deneb IV (Deneb Kaitos IV) Deirr 2259
Deneb V (Deneb Kaitos V) Denebian (aka Klaha) 2259
Deneb VI (Deneb Kaitos VI) Eyren 2259
Deneva Humans 2277[1][2] protectorate colonized in 2148 as an asteroidal support base; protectorate status under United Earth
Denobula Denobulan 2231 Also: Denobula Prime
Djana Inari & Djanai 2258
Dramia Dramian 2194
Draylax Draylaxian 2340 probably would have been one of earliest members of UFP, but they were almost completely wiped out in the Romulan war [check this]
Dreon VII 2376 colony (Bajor)


Edos Edosian 2197
Eeiauo Eeiauoan 2246 prior to 2268
Efros Efrosian 2169[1][2] former subjects of the Klingon Empire
Ekos Ekosian 2373
Elas Elasian 2263
Elaysia Elaysian 2276
Evora Evora 2375 protectorate[22]


Fellebia Fellebian 2198[23] no later than 2259
Fillandia Ariolo 2262
Freehaven 2376 colony (Bajor)


Galakhin Galakhi 2189
Gallam Gallamite 2310[1][2] first contact as early as 2250s
Gemworld Yilltern, Lipul, Frills,
Elaysian, Gendlii & Alpusta		 2356
Gideon Delta Doradus Gideonite 2321
Gnala Gnalish 2317[1][2]
Golana 2376 colony (Bajor)
Grazer Grazerite 2305[24]
Guidon Guidon 2345 this is probably a small collection of settled star systems; need to identify the home world
Gullrey Rey 2316


Halii Haliian 2263
Hamal IV Hamalki 2242
Havelind 2249 colony (Cait)
Hekaras Hekaran 2272
Hermat Hermat 2322 story idea: homeworld of the Hermat; former colony on Hermata
Hermata (Amphibalus III) Hermat 2237 story idea: Hermata an independent colony of Hermat, which would join later
Hochlor IV 2249 colony (Cait)
Hrell 2251 colony (Regulus V)
Hrusar 2251 colony (Regulus V)
Hsoren 2251 colony (Regulus V)
Hsuaw 2251 colony (Regulus V)
Huan Huanni 2293[1][2]


Icor IX Icorian 2185[1][2]
Igre Igresh 2239
Inferna Prime Inferna 2236[1][2] former Tellarite protectorate
Ithen Ithenite 2179
Izar Human 2183 withdrew from the UFP (2239); rejoins in 2260


Janus Horta 2271 strongly support this date, based on Kirk's assistance[25]
Jotunheim Human 2267 former colony


Kessik IV Kessik 2270 colony (Federation) founded as an independent in colony 2264; joined UFP at some point, probably before 2349 (2270 randomly determined)
Kaferia Kaferian 2202[26][2] note: the Human colony (Tau Ceti IV) is presently still an Earth colony
Kandilkar Kandilkari 2313[1][2]
Kashet Kasheeta 2281
Kazar Kazarite 2224[1][2]
Kern 2333 prior to 2409
Kerovi Kerovian 2373 withdrew from the UFP in 2378
Ki'siu 2270 colony (Boliax)
Klaestron IV Klaestron 2372 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.
K'norm K'normian 2267
Koa Koas 2380[27]
Koblia Kobliad 2369 not to be confused with the Delta Quadrant's Kobali system
Kreetassa Kreetassan 2253[1][2]
Kreras 2251 colony (Regulus V)
Kruuri 2251 colony (Regulus V)
Ktaris Ktarian 2344
K'Vin K'Vin K'Vin Hegemony 2242 withdrew from the UFP in 2332 after "nearly 100 years"; maintained peace since
Kyppr Kypprite 2203[1][2]


Laurentian 2389 prior to 2409
Lembatta Prime Lembattan 2352
Lendria Lendrin 2373[28]
Lorillia Lorillian 2202 destroyed 2381
Lrru-Ir Irriol 2269
Luna Sol colony (Earth)


Magna Roma Magna Roman 2337
Makus III Makusian 2193[1][2]
Mandel prisoners 2245 prior to 2256
Mantilles 2298 former Federation colony
Marcos XII 2254 former Federation colony
Mars Sol Human Confederated Martian Colonies 2162[1] full
Matern Materni 2271[1][2]
Medusa Xi Hydrae IV Medusan 2188
Megara Megaran 2406 protectorate protectorate status until post-2369
Meldrar I 2376 colony (Bajor)
Melkot Melkot (Melkotian) 2273 first contact 2268; joined just prior to Betazed
Menk (Valakis) Menk & Valakian 2236 first (Earth) contact 2151; Valakians dying out
Merak II Merakan 2161 colony (Vulcan)
Mestiko Payav 2295[1][2] year is rather strong, due to novel[29]
Mizar II Mizarian 2320 prior to 2366
Monchezke Monchezkin 2179
Motal 2270 colony (Boliax)
Mriri 2251 colony (Regulus V)


Nador Nadorian 2267
Napea Napean 2320
Nasat Nasat & Citoac 2294
New Bajor 2376 colony (Bajor)
New Halana Halanan 2378
New Paris Omega Aurigae Human 2274 colony (Earth) established (2105); not to be confused with the colony on Turkana IV
New Xannon Xanno 2229
New Xindus Xindi Xindi Council 2311


Ochat Ochati 2217[1][2]
Ontail Ontailian 2374[30]
Oriki Oriki 2344[1][2]
Osadj Osadjani 2190
Pacifica Selkie 2250[1][2] also the site of a Federation colony, established in early 2260s
Pahkwa Majoris Pahkwa-thanh 400 2360[31]
Pandril Pandrilite 2312[1][2]
Pangea Human 2229 former Federation colony
Parnasi Parnasi 2266[1][2] Part of the 2370s secessionist movement
Peliar Zel II Peliar Zel PayavPeliar 2296[1][2]
Peliar Zel Alpha Peliar Zel PayavPeliar 2296[1][2] colony (Peliar Zel II)
Peliar Zel Beta Peliar Zel PayavPeliar 2296[1][2] colony (Peliar Zel II)
Pentam V Pentam Pentamian Pentamian Assembly 2293[1][2]
Penzatti Penzatti 2205
Persephone 2263 post-2259
Phylos Phylosian 2280 post-2270
P'Jem colony (Vulcan)
Pillagra 2376 colony (Bajor)
Priors World 2241 prior to 2256
Prophet's Landing 2376 colony (Bajor)
Pythagos Pythagian 2312[1][2]


Rakon IV Rakon 2328 colony (Tandar Prime)
Ra'Nar 2270 colony (Boliax)
Ramatis III Ramatis Ramatin 2195[1][2] at least 2 in-system colonies
Regulus III Regulus Veliki 2243[1][2] first of three Class M planets in the Regulus system to join
Regulus IV Regulus Khonsui 2287[1][2] last of three Class M planets in the Regulus system to join
Regulus V Regulus Regulan Regulan Trade Alliance[2] 2251[1][2]
Rhaandaran / Rhaandarel Rhaandarite 2285[1][2]
Rigel II Beta Rigel 2275[17] colony (Rigel III)
Rigel III Beta Rigel Chelarian 2275[17] including colony world Rigel II
Rigel IV Beta Rigel 2184[32] colony (Rigel V)
Rigel V Beta Rigel Zami & Kaylar 2184[32] 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)
Rim 2270 colony (Boliax)
Risa Epsilon Ceti B Risan Risian Hedony 2249[33]
Rrarash 2251 colony (Regulus V)


S'ti'ach'aas S'ti'ach 2371
Sandpinia Sandpinian 2268 sometime in the 23rd century
Sauria Psi Serpentis Saurian Global League of Lyaksti'kton 2187 full
Scoridia Scoridian 2204[1][2]
Selay Beta Renner Selay 2369 same system as Antica
Selelvia Selelvian 2251 UFP membership revoked (2376)
Selene Selenean 2366
Shamin / O'Ryan's Planet Shamin 2277 indigenous, non-spacefaring people; first contacted by Paddy O'Ryan in 2198[2]; planet named after him until at some point changed to Shamin
Shesint 2251 colony (Regulus V)
Shol 2251 colony (Regulus V)
Sigma Draconis III Sigma Draconis natives 2165 protectorate
Sigma Draconis IV Sigma Draconis natives 2165 protectorate
Sigma Draconis VI Sigma Draconis Eymorg 2268 protectorate
Sigma Iotia II Sigma Iotia Iotian 2368 protectorate
Ssan Ssana 2260
Sulamid Sulamid 2256
Syrath Syrath 2336[1][2]


Ta'Trosha IV Ta'Troshan 2361[34]
Tesnia Tesnian 2231[1][2]
Tandar Prime Rakon Tandaran 2328[35][1][2]
Tenara 2287
Teneebia Tenebian 2304
Terra Nova 2178 colony (Earth)
Terrellian II / Thelema Thelemites & Terralyns 2308 settled by the Terralyns, unaware of the original Tessenites held in organic stasis
Tessen III Tessenite 2206
Tiburon Tiburon 2229[36]
Triex Triexian 2374[37]
Trillius Prime Trill (humanoid) & Trill (symbiote) 2227[1][2]
Troyius Troyian 2311
Tygar Tygarian 2219
Tyrellia Tyrellian 2285
Tyrus III 2337[1][2] indigenous people wiped out by 1370[38]; presumably re-colonized by some Federation species
Ullia Ullian 2320
Umoth VIII 2320 colony (Federation) became independent in 2370 per Federation-Cardassian Treaty
Valo II 2376 colony (Bajor)
Valo III 2376 colony (Bajor)
Valzhan Valzhan 2268[39][1][2]
Vega Colony 2164[1] colony (Earth)
Verdanis Verdanite 2300 21st century mutated Humans, transplanted from Terratin colony joined post-2269 & pre-2378
Vestios Prime Vestian Vestian Council 2310[40]
Vestios II Vestian Council 2310 colony (Vestios Prime)
Vico V Vico 2320 colony (Federation)
Vobilin Vobilite 2186 early member of the UFP


Xelata Xeltian 2289 first contact 2282
Xyrillia Xyrillian 2259 date arbitrary, before 2300


Yridia Prime Yridian 2363 first contact in 2360s


Zadar IV 2315 colony (Earth)
Zakdorn Zakdorn 2344 full
Zalda / Zald Dolium Zaldan 2290[41]
Zanri Zanri 2292[1][2]
Zaran II Zaran Zaranite 2268[1][2]
Zarin Zarin 2206[1][2]
Zeon Zeoni 2294
Zytchin III Zytchin 2278 colony (Federation)
member system species state joined status note

Notes

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.50 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.60 1.61 1.62 1.63 1.64 1.65 1.66 1.67 1.68 1.69 1.70 1.71 TrekBBS: "Members of the Federation"
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 2.37 2.38 2.39 2.40 2.41 2.42 2.43 2.44 2.45 2.46 2.47 2.48 2.49 2.50 2.51 2.52 2.53 2.54 2.55 2.56 2.57 2.58 2.59 2.60 2.61 2.62 2.63 2.64 2.65 2.66 2.67 2.68 2.69 2.70 2.71 2.72 2.73 2.74 2.75 2.76 2.77 SFC
  3. ↑ Memory Beta: "Alajian"
  4. ↑ Memory Beta: "Alonis"
  5. ↑ 5.0 5.1 5.2 Guide: 2200-2240 - Way of the Warrior
  6. ↑ Memory Alpha: "Antede III"
  7. ↑ Memory Beta: "Ardana"
  8. ↑ Memory Beta: "Arken II"
  9. ↑ Memory Beta: "Federation members"
  10. ↑ Memory Beta: "Bajor"
  11. ↑ Memory Alpha: "Barzan"
  12. ↑ Memory Beta: "Benzite"
  13. ↑ Memory Beta: "Betazed"
  14. ↑ Memory Beta: "Bijani"
  15. ↑ Guide: Guardian
  16. ↑ Planets of the UFP (Last Unicorn Games)
  17. ↑ 17.0 17.1 17.2 Worlds (Decipher sourcebook)
  18. ↑ Memory Alpha: "Catulla"
  19. ↑ Memory Beta: "Centrelis"
  20. ↑ Star Charts
  21. ↑ Memory Beta: "Dedderai"
  22. ↑ Memory Alpha: "Evora"
  23. ↑ Memory Alpha: "Fellebia"
  24. ↑ Articles of the Federation (novel)
  25. ↑ Memory Beta: "Devil's Bargain"
  26. ↑ Memory Alpha: "Tau Ceti III"
  27. ↑ Memory Beta: "Koa"
  28. ↑ Memory Beta: "Lendrin"
  29. ↑ Mere Anarchy (novel)
  30. ↑ Memory Beta: "Ontailian"
  31. ↑ Memory Beta: "Pahkwa-thanh"
  32. ↑ 32.0 32.1 The Worlds of the Federation (Pocket Books)
  33. ↑ Memory Beta: "Risa"
  34. ↑ Memory Beta: "Ta'Troshan"
  35. ↑ Memory Beta: "Tandaran"
  36. ↑ Starfleet Operations Manual (Decipher), p56
  37. ↑ Memory Beta: "Triexian"
  38. ↑ Memory Beta: Vulcan-Romulan War
  39. ↑ Memory Beta: "Valzhan"
  40. ↑ Memory Beta: "Vestians"
  41. ↑ USS Theurgy: "Federation Member Species (2381)"

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