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Eta Cassiopeia (sometimes also referred to as Eta Cassiopeiae or Achird) is a binary star system located around 20 light-years from the Sol system. It was orbited by at least three planets, one of which became a Human colony in the late 21st century.

In 2087, the Terra Nova colony was established on the third planet of the system by Humans, in an attempt to prove that Humans could actually establish a colony in deep space. In 2178, the system became a member of the United Federation of Planets. (ENT episode: "Terra Nova" and ST reference: Star Charts)

During 2277, in the mirror universe, Grand Admiral Matthew Decker assembled a task force in this system in the hopes of ambushing the ISS Enterprise and killing Admiral Spock. However, mutinies aboard the starships loyal to Decker meant that Spock was able to seize control of the fleet and declare himself the Grand Admiral of the Imperial Starfleet in Decker's place. (TOS - Glass Empires novel: The Sorrows of Empire)

SystemEdit

AppendicesEdit

ConnectionsEdit

Template:Cassiopeia constellation

Alpha and Beta Quadrant stars and star systems (E)
EdrisEkinusEl AdrelElbaElkauronEllison's StarElohimElysia IncendaeEmilaEminiarEndicorEnochEntrunarEpsilon 119Epsilon CetiEpsilon DeltaEpsilon IonisEpsilon KitajEpsilon MinoraEpsilon MirandaEpsilon SoronaEpsilon TauriEpsilon ThetaEpsilon Ursae MajorisEpsionEquessErcolaEremarErgolEsablEskiisEta SeratornEta TauriEta Trianguli Alphabetasym
Alpha Quadrant stars and systems (E) EdasichEl NathElasi PrimeEltaninEnnarEnteliorEpsilon AurigaeEpsilon BoötisEpsilon CygniEpsilon DraconisEpsilon OphiuchiEpsilon SerpentisEta CassiopeiaeEta Coronae BorealisEta DraconisEta OphiuchiEta SerpentisEta Ursae MajorisEye of Ket-Cheleb AlphaQuadrant
Beta Quadrant stars and systems (E) EdinovEisnEjul ThelniEpsilonEpsilon CanarisEpsilon Canis MajorisEpsilon CarinaeEpsilon CorviEpsilon EridaniEpsilon GeminorumEpsilon GruisEpsilon HydraeEpsilon Indi (Andoria) • Epsilon LibraeEpsilon MonocerotisEpsilon OrionisEpsilon PavonisEpsilon PhoenicisEpsilon ScorpiiEta AntliaeEta CorviEta CrucisEta EridaniEta HorologiiEta IndiEta LupiEta ScorpiiEye of Grun BetaQuadrant
Alpha and Beta Quadrant stars and star systems (A)
AaamazzaraAaladAarraAberrizAbraxasAbyss AlphaAccellusAcibenAdigeonAdonoloAegis AquilaAesaAetisanAexixAgricoAhzdarAinAkersAladfarAladsoAlamedusAlbireoAlchibahAlcyoneAlderamAlderaminAldhanAlephAlexisianAlfas DucatAlfin-BernardAlfirkAlfrAlgeronAliothAlkaluropsAlkesAllendonAlmeisanAlnitakAlpha AldissAlpha ArietisAlpha AtaruAlpha DarwinAlpha Epsilon TauriAlpha HeliosAlpha HonorusAlpha KirikiAlpha KratoniiAlpha Marak 272Alpha NarniaAlpha NexusAlpha OmicronAlpha OrionisAlpha OrtelinaAlpha PerseiAlpha ShiroAlpha SigmaAlpha ThetaAlpha VarangisAlpha VegetisAlpha VergorisAlpha XaridianAlphardAlphaxAlsafiAltanis IdrilonAltar systemAlterfAlthosAludraAlulaAlyaAmalAmbrose's StarAmmdon systemAmonAmpolisAnaxarAndreaAndrocusAnkaaAnnobonAnrakAntedeAntiliosAntipathyApriliaArachnaeArakArcadiaArcanis MajorisArchernarArchibaldAretianArgonaArhenniusAridanesArkabArkenArktoArloffArmusArnebArnebiusArrakisArtaleirhArtemis systemArvadaAsellusAsmidiskeAsteropeAtlasAtriaAtrius'aucdetAumoide PoreAuvaAX AraeAxelotAzati Prime Alphabetasym
Alpha Quadrant stars and systems (A) AchirdAdhilAjirAl NathAlam'ak system (Alam'ak) • AlcorAldhibainAlferaz (Alferaz AAlferaz B) • AlgolAlkaidAlmachAlmathaAlpha Andromedae (Alpha Andromedae Aalpha Andromedae B) • Alpha AquariiAlpha AquilaeAlpha AurigaeAlpha BoötisAlpha Canum VenaticorumAlpha Coronae BorealisAlpha CygniAlpha MajorisAlpha OphiuchiAlpha ProximaAlpha TrianguliAlpha Ursae MajorisAlpha-1 AndromedaeAlpha-2 AndromedaeAlpheccaAlpheratzAltairAnchaAndromedaAnkaroAnticaAntosAokiiAquilaArawathArbazanArcturusArduriaArgayaArgusArtelineAscellaAtairAtikAurelia AlphaQuadrant
Beta Quadrant stars and systems (A) AcamarAchernarAcruxAcubensAdaraAdhaferaAdharaAelasAgenaAgornuAgurthaAjilonAl NairAldebaranAlgorabAlhenaAlnilamAlpha-2 CentauriAlpha CancriAlpha Canis Minorisalpha Canis MajorisAlpha CarinaeAlpha Centauri (Alpha Centauri B) Alpha ChamaeleonisAlpha CirciniAlpha Comae BerenicesAlpha CrucisAlpha EridaniAlpha GeminorumAlpha GruisAlpha HydriAlpha LeonisAlpha MensaAlpha MonocerotisAlpha OniasAlpha PictorisAlpha PrimeAlpha ScorpiiAlpha VirginisAlpha VolantisAlpha ZetaAlungisAmarAmargosaAndoriaAngelAntaresArchanisArcherArgeliusAviorAxanarAzhaAzraga BetaQuadrant

BackgroundEdit

In ST video game: Starfleet Command III gameplay, the system name of Achird was part of a list that were applied to systems on the game map, with random attributes assigned to them.

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