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The United Federation of Planets currently has four-hundred twenty-three member governments governing at least five-hundred thirty-seven planets (not including at least one-hundred Federation colonies) and at least three-hundred twenty sentient species and subspecies.

The following governments are part of the Federation, listed alphabetically, with governed planets, dominant species, dates of admission, general information, and locations on the map.

Founding MembersEdit

The founding members of the Federation in 2161 were the seven remaining members of the Coalition of Planets (formed in 2155) plus the Lunar Colonies in orbit of Earth.

Government Planets Species Admission Notes Map Grid
Alpha Centauri Colonies Alpha Centauri III Alpha Centauran 2161 Preserver-seeded Human subspecies; Joined Coalition in late-2155 1, 25
Centaurus
Alpha Centauri V
Al Rijil
Perry
Lane
Kent
Olson
Andorian Empire Andoria Andorian
Aenar
2161 2, 26
Confederacy of Vulcan Vulcan Vulcan 2161 Destroyed in 2258 1, 27
New Vulcan 2258 Admitted by unanimous vote of the Federation Council as Vulcan's replacement 1, 33
Denobula Triaxa Denobula Denobulan 2161 Joined Coalition in 2157 -3, 25
Lunar Colonies Luna Human 2161 Former Earth colony 1, 25
(Sol)
United Earth Earth Human
Cetacean
2161 1, 25
(Sol)
Venus
Triton
Tethys
Pluto
Charon
Ixion
Eris
Makemake
Haumea
Sedna
Orcus
Quaoar
Varuna
Chaos
United Planets of Tellar Tellar Tellarite 2161 -2, 25

Other MembersEdit

AEdit

Government Planets Species Admission Notes Map Grid
Aaamazzara Aaamazzarite 2236 8,27
Abraxas IX Rihannsu 2335 Former world of the Rihannsu Star Empire 7, 20
Acamar III Acamarian 2357 Destroyed by the Borg in 2380 8, 28
Actrium Aatrite 2388 Former world of the Cardassian Union -12, 31
Adelphous IV 2298 Destroyed by the Borg in 2380 4, 28
Adhara Adharan 2214 5, 26
Agurtha Agurthan 2335 Former world of the Rihannsu Star Empire 12, 21
Aihai Rihannsu 2335 Former world of the Rihannsu Star Empire 6, 22
Ainleth Ainletstian 2335 Former world of the Rihannsu Star Empire 7, 21
Ajilon Prime Various 2323 Former Federation colony, established in 2290 19, 35
Akaal Akaali 2231 2, 20
Al'heron Rihannsu 2335 Former world of the Rihannsu Star Empire 11, 23
Alaj Alajian 2351 -3, 15
Aldebaran III 2216 1, 32
Alesia Prime 2341 -3, 46
Algeron III Rihannsu 2310 Former colony of the Rihannsu Star Empire, established in 2275, separated from RSE in 2308 7, 25
Alonis Alonis 2336 -6, 18
Alpha III Human 2163 Former Earth colony -2, 26
Alpha V Human 2275 Former Earth colony -2, 26
Alpha Hydros V Hydrosian 2222 -4, 22
Alpha Proxima II Human 2213 -1, 22
Altair Palkeo Est 2211 -3, 24
Althos IV Bzzit Khaht 2279 16, 31
Amber Alpha Centauran 2195 Former colony of Alpha Centauri 1, 25
Ana'siuol Ana'siuolo 2220 -2, 36
Andros III Androsian 2217 -4, 21
Angosia Angosian 2368 19, 26
Antares Corona Worlds Antares
(Antares II)
Antaran 2240 -4, 14
Antares III
Antares IV
Beta Antares II
Beta Antares III
Beta Antares IV
Beta Antares V
Antede III Antedean 2362 12, 19
Antica Antican 2361 18, 31
Antos IV Antosian 2196 -3, 23
Arawath Arawathi 2388 Former world of the Cardassian Union -14, 29
Arbaza Arbazan 2211 -4, 20
Arcadia Arcadian 2286 1, 44
Arcanis IV Klingon 2288 Ceded to Federation by Klingon Empire in 2251 16, 33
Archer IV Various 2268 Former Federation colony, established in 2200 13, 30
Arcturus IV Arcturan 2260 -1, 24
Plutocracy of Ardana Ardana Ardanan 2263 -6, 35
Argaya Various 2382 Former Federation colony, established in 2341 15, 31
Argelius II Argelian 2233 Preserver-seeded Human subspecies 6, 28
Argo Aquan 2275 -4, 40
Ariannus Ariannan 2265 -1, 18
Arkaria Arkarian 2303 -6, 37
Arken II Arkenite 2194 -2, 25
Aronnia Aronnian 2253 -4, 33
Artaeirh Rihannsu 2276 Former colony of the Rihannsu Star Empire, established in 2034, separated from RSE in 2271 4, 20
Arteline IV 2362 -13, 38
Arvada III Various 2347 Former Federation colony, established in 2288 9, 19
Ataj 2357 -3, 35
Atrea IV Atrean 2368 -6, 14
Aulac Aulacri 2239 -3, 32
Aurelia Aurelian 2248 2, 22
Avalon Human 2210 Former Earth colony, established in 2075 -1, 27
Axanar Axanarri 2200 -1, 26

BEdit

Government Planets Species Admission Notes
B'hal Ta Bajoran 2363 Former colony of Bajor, established in 2180
Ba'ku Ba'ku 2378
Republic of Bajor Bajor Bajoran 2358
Dreon Established in 2362
Hanolan Established in 2364
Barisa Prime Various 2371 Former Federation Colony, established in 2310
Barolia Barolian 2312 Destroyed by the Borg in 2380
Barzan II Barzan 2371
Belle Terre Various 2337 Former Federation colony, established 2281
Benecia Various 2278 Former Federation colony, established in 2199
Benzar Benzite 2369
Berellia Berellian 2350
Berengaria Human 2204 Former Earth colony
Besmet Bezmeti 2335 Former world of the Rihannsu Star Empire
Beta III Betan 2269
Beta VI Various 2309 Former Federation colony, established in 2270
Beta Agni II Various 2370 Former Federation colony, established in 2314
Beta Ophiuchi Errigal Various 2374 Former Federation colony, established in 2296
Betazed Betazoid 2273
Betelgeuse II Betelgesian 2230
Bilana Bilanan 2365
Binderia Binderian 2310
Blue Horizon Various 2368 Former Federation colony, established in 2259
Bolarus Bolian 2202
Boradis System Boradis III Various 2378 Former Federation colony system, established in 2284
Boradis IIIa
Boradis IV
Boradis VI
Bre'el IV Bre'ella 2360
Briir Briir 2384
Brikar Brikarian 2351
Buran Burani 2338
Bynaus Bynar 2366
Bythis Thib 2376

CEdit

Government Planets Species Admission Notes
Cairn Cairn 2370
Cait Caitian 2270
Caldos II Various 2274 Former Federation colony, established in 2189
Candelar IV Candelaran 2349
Canopus System Canopus II Canopian 2215
Canopus III
Canopus V
Ten Tribes of Capella Capella IV Capellan 2292 Preserver-seeded Human subspecies
Cardassian Republic Cardassia Prime Cardassian 2388 Former capital of the Cardassian Union
Amleth
Aschelon
Chin'Toka
Dopa
Juhraya
Kora
Korvale
Loval
Monac
Rakal
Rondac
Torros
Trelka
Vanden
Volnar
Casmus III Various 2301 Former Federation colony, established in 2234
Casperia Prime 2198
Catulla Catullan 2185
Celes II Celesian 2335 Former world of the Rihannsu Star Empire; Destroyed by the Borg in 2380
Celtris Celinite 2388 Former world of the Cardassian Union
Cerberus Various 2260 Former Federation colony, established in 2161
Cestus III 2310 Former Federation colony, established in 2267
ch'Havran Rihannsu
Reman
2336 Sister planet of ch'Rihan; former world of the Rihannsu Star Empire
ch'Revellion Rihannsu 2335 Former world of the Rihannsu Star Empire
Rihanna Imperial Seat ch'Rihan Rihannsu 2335 Former capital of the Rihannsu Star Empire
Carraya IV
ch'Danutha
ch'Nedge
ch'Shrr
ch'Tatori
Drakken
Gotanna
Ir'Rak
Romii
Taetor
Tigelis V
Zygrna III
ch'Vania Rihannsu 2335 Former world of the Rihannsu Star Empire
Chand Aad Chandir 2373
Chetzia III Rihannsu 2347 Former Rihannsu colony, established in 2263
Choblav Choblik 2371
Corvallis Various 2345 Former Federation colony, established in 2288
Cor Caroli IX Vulcan 2253 Former colony of Vulcan
Cort Boslic 2337
Constanthus Constanthian 2339 Former world of the Rihannsu Star Empire
People's Republic of Coridan Coridan Coridanite 2267 Founding member of Coalition of Planets; withdrew in 2155
Corva II Corvan 2335 Former world of the Rihannsu Star Empire
Cygnet XIV Cygnian 2251
Cygnia Minor Various 2284 Former Federation colony, established in 2211

DEdit

Government Planets Species Admission Notes
Dalvos Prime
Damiano Damiani 2341
Danula II Danulan 2308 Destroyed by the Borg in 2380
Dedderai Dedderac 2202
Deian Deia
Delb II Delbian
Delkan IV Delk 2335 Former world of the Rihannsu Star Empire
Delnar Delian 2335 Former world of the Rihannsu Star Empire
Delos Brekka Brekkan 2218
Ornara Ornaran
Deltan Union Delta IV Deltan 2223
Delta Pavonis III Human 2259 Former Earth colony
Delta Sigma IV Bader
Dorset
2382
Commonwealth of Denebia Deneb II 2360
Deneb IV Bandi
Deneb V Denebian
Deneb Kaitos System Deneb Kaitos II Klaha
!'hew
2259
Deneb Kaitos III Eyren
Deneb Kaitos IV Deirr
Deneb Kaitos V Klaha
Deneva Human 2296 Former Earth colony; Destroyed by Borg in 2380
Devnar IV 2295 Destroyed by the Borg in 2380
Devoras Rihannsu 2358 Former Rihannsu colony, established in 2280
Dhieissae Rihannsu 2335 Former world of the Rihannsu Star Empire
Djana Djanai
Inari
2270
Dramia Dramian
Draylax Draylaxian 2240 Joined Coalition of Planets in late-2155, left in 2160
Drovana Rihannsu 2351 Former Rihannsu colony, established in 2273

EEdit

Government Planets Species Admission Notes
Edos Edosian 2245
Eeiauo Eeiauoan 2244 Descendants of Sivaoan settlers
Efros Efrosian 2262 Destroyed by the Borg in 2380
Eihaunn Rihannsu 2335 Former world of the Rihannsu Star Empire
Ekos Ekosian 2373
Elhieuue Rihannsu 2335 Former world of the Rihannsu Star Empire
Ellora Ellora 2379 Former Son'a subject world
Eloh Rihannsu 2320 Former colony of the Rihannsu Star Empire, established in 2248, separated from RSE in 2319
Ennar Ennar 2335 Former world of the Rihannsu Star Empire
Eris Alpha Sarkassia Sarkassian 2208
Ta'alaat Ta'alaat
Eseria Eseriat 2307
Eska Eska 2225
Evora Evoran 2375

FEdit

Government Planets Species Admission Notes
Farius Farian 2381
Fazi Fazi
Fazibion
2213
Felussus Felussian 2335 Former world of the Rihannsu Star Empire
Fendaus V Fendo
Fillandia Ariolo 2264
Fountainhead
Free Haven Bajoran 2366 Former colony of Bajor, established in 2329

GEdit

Government Planets Species Admission Notes
Gaius Gian 2335 Former world of the Rihannsu Star Empire
Galathon Rihannsu 2335 Former world of the Rihannsu Star Empire
Gallika Galakhi 2253
Gaspar VIII Gasparilla 2337
Gemworld Alpusta
Elaysian
Frills
Gendlii
Lipul
Yilltern
2350 Artificial null-gravity planet
Genome Moab IV Human 2370 Former independent Earth colony established in 2168
Gideon Gideon 2269
Gnala Gnalish 2320
Gorwah Klingon 2335 Ceded from the Klingon Empire to Rihannsu Star Empire in 2279
Grazer Grazerite 2305
Gullrey Rey 2268
Gyndine 2365

HEdit

Government Planets Species Admission Notes
Halii Haliian 2351
Hamal IV Hamalki 2230
Hasdrubel Has
Drub
2335 Former world of the Rihannsu Star Empire
Havnau Rihannsu 2335 Former world of the Rihannsu Star Empire
Hayace Rihannsu 2335 Former world of the Rihannsu Star Empire
Heir'ocha Heir'och 2254 Independent subspecies of the Heiren
Heir'tzan Heiren 2253
Hekaras II Hekaran 2360
Hellaro Tetrys 2335 Former world of the Rihannsu Star Empire
Hermat Directorate Hermat Hermat 2340
Hlin'deuih Rihannsu 2335 Former world of the Rihannsu Star Empire
Huan Huanni 2298
Hupyria Hupyrian 2387
Hurkos III 2332

IEdit

Government Planets Species Admission Notes
Igre Igresh 2264
Illyria Illyrian 2215
Inferna Prime Human 2189 Former Federation colony
Izar Colony Izar Human 2183 Independent Earth colony

JEdit

Government Planets Species Admission Notes
Janus VI Horta 2271
Jezere Rihannsu 2335 Former world of the Rihannsu Star Empire
Jezero Jezeran 2231
Jhillanieh Rihannsu 2335 Former world of the Rihannsu Star Empire
Jovian Colonies Ganymede Human 2318 Former Earth colony
Callisto
Europa
Himalia
Io
Judari Republic Judaris Judari 2382
Vrobarris
Justarus Paxar IV Paxan 2335 Former world of the Rihannsu Star Empire
Jotunheim Various 2241 Former Federation colony, established in 2176

KEdit

Government Planets Species Admission Notes
K'Manatri Rihannsu 2335 Former world of the Rihannsu Star Empire
K'norm K'normian 2249
K'Vin Hegemony Kirlos K'Vin 2360 Artificial world built by the Ariantu
Kachissat
(Daran V)
Shesshran 2237
Kaferia Kaferian 2184
Kaldra IV Kaldran 2369
Kandilkar Kandilkari 2329
Kantare Kantare 2261
Karnes G'Karnan 2369
Kashet Kasheeta 2274
Kazar Kazarite 2250
Kelrabi Kelrabi 2388 Former world of the Cardassian Union
Kerovi Kerovian 2377
Kessik Colonies Kessik III Various 2379 Former Federation colony system, established in 2304
Kessik IV
Kethri Vulcan 2169
Keto-Enol Enolian 2218
Kevratas Kev 2335 Former world of the Rihannsu Star Empire
Khazara Rihannsu 2358 Former Rihannsu colony, established in 2222
Koa
(Mu Arae)
Koa 2380
Kobheeria Kobheerian 2357
Koblis Kobliad 2359
Koltaari Koltaari 2333
Kotara Barath Kantare 2263 Former Kantare colony, established in 2170
Kreetassa Kreetassan 2190
Krios Kriosian 2369
Kropasar Kropaslin 2376
Krotar Krotaran 2335 Former world of the Rihannsu Star Empire
Ktar Ktarian 2349
Kyr Kyr 2335 Former world of the Rihannsu Star Empire

LEdit

Government Planets Species Admission Notes
L'Shrai Rihannsu 2335 Former world of the Rihannsu Star Empire
Lazon Lazonite 2388 Former world of the Cardassian Union
Legara IV Legaran 2367
Lendrin Lendrin 2364
Leughon Urghon 2335 Former world of the Rihannsu Star Empire
Lheia'lhoenn Rihannsu 2335 Former world of the Rihannsu Star Empire
Lissepia Lissepian 2379
Lorillia Lorillian 2317 Destroyed by the Borg in 2380
Lothyr Lek'twi 2340
Lrru-Ir Irriol 2361
Lyshan Various 2383 Former Federation colony, established in 2331
Lythos Prime Horta 2294 Former Horta colony, established in 2269

MEdit

Government Planets Species Admission Notes
NeoRoman Empire Magna Roma Magna Roman 2272 Preserver-seeded Human descendants
Mahalast Mahal 2335 Former world of the Rihannsu Star Empire
Makkus Makkusian 2360
Maluria Malurian 2287
Man'ari Eredar
Naruu
2388
Marcos XII Various 2270 Former Federation colony, established in 2197
Mariposa Human 2369 Originally independent Human colony
Martian Colonies Mars Human 2166 Gained independence from United Earth in 2149
Ceres
Pallas
Vestia
Hygiea
Maxus Maxillian 2348 Former world of the Rihannsu Star Empire
Mazar Mazarite 2322 Destroyed by the Borg in 2380
Medusa Medusan 2252
Megara Megarite 2262
Melkot Melkotian 2271
Commonwealth of Menk and Valakis Menk Menk
Valakian
2236
Merak II Merakan 2211 Vulcan subspecies
Mestiko Payav 2294
Mevet Vulcan 2186
Midos V Various 2300 Former Federation colony, established in 2208
Mizar II Mizaran 2280
Monchezke Monchezke 2231
Mortemonde Mortemondean 2377

NEdit

Government Planets Species Admission Notes
Nador Nadorian 2267
Napea Napean 2334
Nasat Nasat
Citoac
2284
Nasser Nassiri 2382
Nelatia Nelati 2378
Nequencia Rihannsu 2361 Former Rihannsu colony, established in 2284; Destroyed by the Borg in 2380
New Australia Various 2386 Former Federation colony, established in 2311
New Cairo Various 2358 Former Federation colony, established in 2282
New Halana Various 2347 Former Federation colony, established in 2272
New Hampton Various 2283 Former Federation colony, established in 2209
New Gaul Various 2377 Former Federation colony, established in 2300
New Manhattan Various 2356 Former Federation colony, established in 2280
New Paris Various 2286 Former Federation colony, established in 2210
New Texas Human 2345 Former Earth colony
Neyel Hegemony Holy Vangar Neyel 2384 Genetically-engineered Human subspecies
Nova Empyrea Empyrean 2211 Former independent Earth colony; Augmented Human subspecies

OEdit

Government Planets Species Admission Notes
Olympian Confederation Zeus Human 2386 Independent Human colonies
Aphrodite
Apollo
Ares
Artemis
Athena
Demeter
Hephaestus
Hera
Hermes
Hestia
Poseidon
Omelda Omion 2388 Former world of the Cardassian Union
Ona Ontailian 2369
Oran'taku Oran'taku 2197
Orias Orite 2388 Former world of the Cardassian Union
Oriki Oriki 2317
Orinwen Orinilla 2335 Former world of the Rihannsu Star Empire
Orion Colonies Botchok Orion 2202
Kolar
Orodanga Ithenite 2246
Osadj Osadjani 2193
Ossec Rihannsu 2368 Former Rihannsu colony, established in 2258

PEdit

Government Planets Species Admission Notes
P'Jem Vulcan 2174
Pacifica Selkie 2358
Padak Rihannsu 2335 Former world of the Rihannsu Star Empire
Pahkwal Pahkwa-thanh 2360
Pak'shreea Pak'shree 2378
Pallas System Alondra Various 2274 Former Federation colony system, established in 2195
Mantilles
Pandril Pandrilite 2287 Destroyed by the Borg in 2380
Pandro Pandronian 2274
Pangea Human 2380 Former Earth colony
Panora Panoran 2388 Former world of the Cardassian Union
Paraagan Matriarchy Paraagan II Paraagan 2195
Paraagan III
Paraagan IV
Paragon colony Sycorax Augmented Human 2277 Independent Earth colony
Paxar Paxan 2322 Former world of the Rihannsu Star Empire
Peliar Zel II Peliar 2355
Penzatti Penzatti 2362 Ecosystem badly damaged by Borg attack in 2367
Phylos II Phylosian 2249
Pollar Pollara 2335 Former world of the Rihannsu Star Empire
Psi Upsilon Psi Upsilon III 2341
Psi Upsilon IV

QEdit

Government Planets Species Admission Notes
Q Various 2287 Former Federation colony, established in 2189
Qualor Zakdorn 2368 Former colony of Zakdorn, established in 2165
Quatel Quat 2335 Former world of the Rihannsu Star Empire
Quentin Rihannsu 2335 Former world of the Rihannsu Star Empire
Quirinus 2341

REdit

Government Planets Species Admission Notes
Raeya III Raeyan 2388
Raeya IV Ven-Raeyan 2388 Raeyan subspecies
Raknal V Cardassian
Klingon
2388 Former world of the Cardassian Union; Cardassian/Klingon joint colony established in 2328; fully ceded to Cardassian Union in 2346
Ramatis Ramatian 2316 Destroyed by the Borg in 2380
Redansk Redansk 2335 Former world of the Rihannsu Star Empire
Relhinder Inder 2335 Former world of the Rihannsu Star Empire
Reman Ascendancy Galvanis Reman 2388 Established by Treaty of Galvanis between Federation and Klingon Empire; Mainly populated by Remans resettled from ch'Havran
Klorgat
Remonda Mon Remondan 2371
Reqqunuar Nuarreq 2354
Revivalen Rihannsu 2335 Former world of the Rihannsu Star Empire
Rhaandarel Rhaandarite 2301 Destroyed by the Borg in 2380
Rian Rihannsu 2335 Former world of the Rihannsu Star Empire
United Rigel Worlds and Colonies Rigel II 2164 First worlds with non-Coalition species to join the Federation
Rigel III Chelon
Rigel IV Zami
Jelna
Rigel V Rigelian
Rigel VI Boda
Rigel VII Rigellian
Kaylar
Rigel VIII
Rigel X
Risan Hedony Risa Risan 2249 Destroyed by the Borg in 2380
Ronara Ronaran 2388 Panoran subspecies; Former world of the Cardassian Union
Rua Clan Ru 2269 Preserver-seeded dinosauroid species originally from Earth

SEdit

Government Planets Species Admission Notes
S'ti'ach'aas S'ti'aach 2380
Sa'na'mdeihein Na'mdeihei 2379
Salieh Rihannsu 2335 Former world of the Rihannsu Star Empire
Samnar Samnar 2360 Former world of the Rihannsu Star Empire
Sar'Kell Rihannsu 2335 Former world of the Rihannsu Star Empire
Saturnian Confederation Titan Human 2310 Former Earth colonies
Rhea
Iapetus
Enceladus
Dione
Phoebe
Mimas
Titania
Oberon
Sauria Saurian 2235
Selay Selay 2361
Selene Selenean 2368
Setlik III Various 2372 Former Federation colony, established in 2296
Shamin Shamin 2252
Sherman's Planet Human
Klingon
2294 Originally Federation/Klingon joint colony, established in 2264; Destroyed by the Borg in 2380
Sigma Iotia II Iotian 2239
Sirius IX
Sivao Sivaoan 2270
Skorr Skorr 2222
Kingdom of Solta Essolitis Soltini 2368
Soukara Teliskan 2388 Former world of the Cardassian Union
Ssan Ssan 2271
Sudeka III Sudekan 2335 Former world of the Rihannsu Star Empire
Sulamid Sulamid 2308
Suliban Suliban 2251
Syrinx Andorian 2167

TEdit

Government Planets Species Admission Notes
T'Khut Vulcan 2165
T'Mes Rihannsu 2336 Former Rihannsu colony, established in 2261
Ta'Trosha IV 2362
Tagra IV Tagran 2363
Taish Tash 2335 Former world of the Rihannsu Star Empire
Takaralaai Rihannsu 2335 Former world of the Rihannsu Star Empire
Talin IV Talin 2271
Talvas
Children of Tama Tama Tamarian 2374
Tandar Tandaran 2242
Tared Rihannsu 2335 Former world of the Rihannsu Star Empire
Tarlac Tarlac 2379 Former Son'a subject world; Destroyed by the Borg in 2380
Tarus Tarron 2335 Former world of the Rihannsu Star Empire
Tegedaar Tegedaar 2335 Former world of the Rihannsu Star Empire
Tellun Elas Elasian 2275
Troyius Troyian
Tenara Tenaran 2366
Tendara Various 2378 Former Federation colony, established in 2307
Tenjin V Tenjin 2341
Terix II Rihannsu 2346 Former Rihannsu colony, established in 2275
Terra Nova Colony Terra Nova Novan 2178 Independent Earth colony, Human subspecies
Terrhiemm Rihannsu 2335 Former world of the Rihannsu Star Empire
Tessen III Tessenite 2360
Teutil Teutil 2335 Former world of the Rihannsu Star Empire
Thieurrull Tirrull 2335 Former world of the Rihannsu Star Empire
Thobawui Bothini 2359
Thymera Thymerae 2376
Tiburon Tiburonian 2190
Tomed Rihannsu 2336 Former Rihannsu colony, established in 2256
Toraenn Rihannsu 2335 Former world of the Rihannsu Star Empire
Torrek Rihannsu 2335 Former world of the Rihannsu Star Empire
Triexian Curia Triex Triexian 2319
Trill Sybiosis Trill Trill
Symbiont
2229
Triskelion Various 2298 Mixed race humanoid world, descendants of former slaves
Tyrellia Tyrellian 2323
Tyrus Tyran 2213

UEdit

Government Planets Species Admission Notes
Ullia Ullian 2357
Unefra Uulnis 2388 Former world of the Cardassian Union
Unroth III Rihannsu 2341 Former Rihannsu colony, established in 2278
Uranian Colonies Ariel Human 2323 Former Earth colonies
Miranda
Umbriel
Utopia Human 2388 Independent isolated colony founded by Human refugees of the Third World War

VEdit

Government Planets Species Admission Notes
V'Ranthi Rihannsu 2335 Former world of the Rihannsu Star Empire
Vair 2370
Val'Karku Rihannsu 2335 Former world of the Rihannsu Star Empire
Valt Minor Valtese 2370
Valzhan Valzhan 2268
Vega IX Human 2164 Former Earth colony
Velora Rihannsu 2335 Former world of the Rihannsu Star Empire
Vemla Vemlan 2340
Ver'ta Verpine 2381
Ver'Kush 2384
Verdanis 2370
Vestios Vestian 2310
Vico V
Vissia Vissian 2213
Vobilin Vobilite 2194
Volon Volin 2388 Former world of the Cardassian Union
Vorgon Vorgon 2359

WEdit

Government Planets Species Admission Notes
Weytahn Andorian 2248 Former colony of Andoria; Destroyed by the Borg in 2380

XEdit

Government Planets Species Admission Notes
Xanthas Xanthan 2204
Xanthe Conglomerate Xanthe Xanthe 2373
Xantoras Xantoran 2215
Xarantine Xarantine 2290 Destroyed by the Borg in 2380
Xelata Xelatian 2265
Xenexian Republic Xenex Xenexian 2365
Danter Danteri
Xindi Coalition New Xindus Xindi-Primate
Xindi-Insectoid
Xindi-Reptillian
2314
Aqua Xindus Xindi-Aquatic
Arbolis Xindi-Arboreal

YEdit

Government Planets Species Admission Notes
Yatil Yati 2335 Former world of the Rihannsu Star Empire
Republic of Yonada New Fabrina Fabrini 2285
Yridia Yridian 2340 Destroyed by the Borg in 2380
Ysail Ysian 2335 Former world of the Rihannsu Star Empire

ZEdit

Government Planets Species Admission Notes
Zakdorn Zakdorn 2344
Zalda Zaldan 2280
Zaran II Zaranite 2259
Zeos Zeosian 2280

OthersEdit

The following governments have either applied for membership to the Federation and are awaiting approval by the Federation Council, are Protectorates of the Federation, or are former members.

Government Planets Species Admission Notes
Selelvia Selelvian 2371 Expelled by the Federation Council in 2376 for telepathically manipulating that body; Currently under Starfleet quarantine.

Federation ColoniesEdit

The following is a partial list of Federation colonies (rather than colonies of specific member worlds, which are listed above under their controlling worlds or governments). These planets are without voting rights on the Federation Council, but are entitled to send a delegate. Many colonies are eventually admitted as full members of the Federation.

Colony Establishment Notes
'audet IX 2278
Alaya II 2376
Alpha Proxima IV 2209
Alpha Zion 2306
Athos 2352
Babel 2161
Bardex III 2294
Barradas III 2341
Baten Kaitos 2348
Bejarus III 2315
Beta Exorpa 2358
Beta Hydros IV 2374
Beta Nirobi II 2368
Beta Virginis V 2170
Calder II 2258
Campor III 2371
Claren III 2358
Coltar IV 2359
Delta Rana IV 2350 Destroyed by the Husnock in 2366
Doraf I 2364
Dorvan V 2350
Dulisian IV 2279
Elysius III 2377
Fellelbia 2381
Galen IV 2346
Galorndon Core 2361
Gault 2341
Gemus IV 2349
Holt 2265
Iadera 2365
Idran 2373 First colony in the Gamma Quadrant
Iota Horologii IV 2274
Ivor Prime 2364 Destroyed by the Borg in 2373
Jouret IV 2361 Destroyed by the Borg in 2366
Kirisha 2355
Korat 2350
Korvat 2371 Destroyed by the Borg in 2380
Lemma II 2317
Loran II 2323
Manzar 2375
Melona 2368
Memory Alpha 2199
Minos Korva 2360
Mosanalea 2358
MS 1 2366
Nahmi IV 2384
Nehru 2367
Neu-Stuttgart 2317
New France 2368
Norkan 2337
Norpin 2282
Omicron Ceti III 2264 Abandoned in 2267
Omicron Theta 2294 Destroyed in 2336 by the Crystalline Entinty
Ophiucus III 2260
Penthara IV 2267
Prantares IV 2280
Pree' 2377
Quadra Sigma III 2363
Regulus II 2344 Destroyed by the Borg in 2380
Regulus III 2338
Regulus V 2363 Destroyed by the Borg in 2380
Relva VII 2355
Saltok IV 2355
Sirius IV 2208
Solarion IV 2364
Spica IX 2366
Stelenaris 2372
Tarchannen III 2357 Colony vanished in 2362
Tantalus V 2255
Taranko 2368
Tarod IX 2155 Destroyed by the Borg in 2364
Tarsus IV 2228
Teneebia 2363
Turkana IV 2318 Declared a failed colony in 2334; Destroyed by the Borg in 2380
Umith VII 2377
Umith VIII 2385
Zadar IV 2364

SourcesEdit

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