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Janus VI was a class F planet in the Janus system, in the Omega sector. Janus VI was the homeworld of the silicon-based Horta who named their world Shaul.

History and specifics

It was located in the Alpha Quadrant. (Decipher RPG modules: Worlds, Aliens)


The surface was uninhabitable, due to high winds, corrosive atmosphere, and dust storms. (FASA RPG module: Witness for the Defense)

Temperatures ranged from -100° at night to uncomfortably hot at noon. Its thin atmosphere had just trace amounts of water ice at the poles, and it never rained. (Decipher RPG module: Worlds)

As a result, it either had no surface water (Decipher RPG module: Worlds) or very little (TOS reference: Worlds of the Federation).


Janus was a member of the United Federation of Planets. (ST reference: The Worlds of the Federation) The world was located in the Omega sector, along with the planet Vesbius. (TOS novel: Devil's Bargain)

The Horta were an extremely long lived species and the planet was home to no predator of the beings so Horta populations frequently became large. To make room for the next generations of Horta every 50,000 years all but one of the Horta died. That one Horta, the Prime Mother, then cared for the civilization's eggs in the Vault of Tomorrow until they hatched and repopulated the planet. (DS9 novel: Devil in the Sky; TOS episode & Star Trek 4 novelization: The Devil in the Dark)

By the 23rd century the planet was volcanically inactive. (TOS episode: "The Devil in the Dark")

The mines of Janus VI in 2267.

The planet was rich in minerals, including Pergium, a energy source for thousands of Federation worlds. This prompted the establishment of a mining outpost in the 2210s. At the time the Horta had entered a breeding cycle so their population only consisted of the Prime Mother, as a result the Federation miners remained unaware of them until 2267. In that year new levels of the mines were opened and the miners unknowingly destroyed thousands of Horta eggs in the Vault of Tomorrow, mistaking them for nothing other than silicon nodules. The Horta began to sabotage the mining equipment and attack the miners in response. In three months fifty miners were killed and a distress signal was sent out. The USS Enterprise came to assist the planet and following a mind meld between Spock and the mother Horta the situation was eventually resolved with Horta and Federation personal agreeing to live and work side by side. (TOS episode & Star Trek 4 novelization: The Devil in the Dark)

A heavily shielded and automated transporter repeater station was installed on the surface so orbiting ships could beam personnel directly to the underground mining colony. (FASA RPG module: Witness for the Defense)

The Human-Horta mining alliance of Janus VI became one of the most productive and profitable operations in the known galaxy, sourcing raw ore and rare elements to the entire Federation. (DS9 novel: Devil in the Sky)

In 2269, James T. Kirk picked up 500 adolescent Horta to help with a crisis on Vesbius. (TOS novel: Devil's Bargain)

In 2270, the USS Enterprise was dispatched to do a check up on the colony before they were redirected to investigate the fate of the Lavota Wind. (TOS - Burden of Knowledge comic: "A Matter of Perspective") When, later that year, the Enterprise arrived at the colony, Captain James T. Kirk served as a judge after the murder of a Horta. (FASA RPG modules: Star Trek IV Sourcebook Update, Witness for the Defense)

Janus VI shown on a deployment star chart image.

On star charts, this world could be seen to be in the vicinity of Alpha Caranae, Theta Mees, Altair III, Antares and Beta Simmons. (TNG episodes: "The Wounded", "Yesterday's Enterprise", TNG reference: The Continuing Mission)

In the 2280s, Katherine Gallagher wrote her master's thesis, The Devil in the Dark: Starfleet’s Blackest Moment Becomes Its Finest Hour, on the events that occurred on Janus VI in 2267. They inspired her career of protecting endangered species. (TOS novel: The Last Roundup)

In 2297, the planet's Pergium Production Station closed. (ST - Strange New Worlds VII short story: "Guardians")

In the 24th century, Erin Hansen and Magnus Hansen resided on Janus VI for a time, where she studied the Horta. Erin's theory that they navigated by sensing magnetic resonance variations inspired Magnus to try a similar technique as a means of time travel. (VOY short story: "A Ribbon for Rosie")

From c. 2304 to 2380, Sanaht served as the Federation Councillor from Janus VI. (ST novel: Articles of the Federation)

In the 2360s decade, this location was noted on a star chart showing deployment of Federation and Cardassian Union ships displayed in Captain Benjamin Maxwell's ready room aboard the starship USS Phoenix. (TNG episode: "The Wounded")

In 2367, a celebration was held in honor of the 100th anniversary of the Human-Horta mining alliance. Attendees included Tetsua, Spock, Jean-Luc Picard and Lewis Zimmerman. Leonard McCoy had been unable to attend due to his health. By then, portions of the surface had been reclaimed. Eventually, Janus VI would be completely terraformed. (TOS - Strange New Worlds IV short story: "Tears for Eternity")

In 2370, a newly discovered vein of latinum led to the construction of the Vermillion Ridge Station. (Decipher RPG module: Worlds)

In the 2370s a granddaughter of one of Dax's hosts lived on Janus. (DS9 novel: Devil in the Sky)

In 2464, Horta migrated en mass from Janus VI to the Rock of Ages, giving them a new purpose. (ST - Strange New Worlds VII short story: "Guardians")

50 thousand years later, terraforming had fallen away, leaving Janus VI with a dusty, rocky surface. A pergium statue of Spock remained at Vanderberg Point, cared for by Tetsua, who had survived to become the new Horta mother as a new generation of Horta eggs hatched. (TOS - Strange New Worlds IV short story: "Tears for Eternity")

Alternate realities

In an alternate timeline, the Janus system was under the control of the Interstellar Coalition. (ST - Myriad Universes novel: A Less Perfect Union)

This story makes reference to the trade opportunities with Janus V rather than Janus VI, and may be a typographical error.

Janus VI shown on a tactical situation monitor image.

On a 24th century viewscreen display of a tactical situation monitor in an alternate timeline where the Klingon Empire was at war with the United Federation of Planets in the year 2366, Janus VI was listed on a star chart showing Klingon allied forces in relation to Federation positions. (TNG episode: "Yesterday's Enterprise", TNG reference: The Continuing Mission)





planets and locations of the Janus system
Janus system primary star: Janus I • Janus II • Janus III (1 moon) • Janus IV • Janus V • Janus VI (Vault of TomorrowGeopolis) • Janus VII (2 moons) • Janus VIII (3 moons) • Janus IX • Janus X (1 moon) Locator logo showing the Great Seal of the United Federation of Planets. Locator logo showing the galaxy's alpha Quadrant.
Amargosa investigation star chart
Angosia III (Angosia system)Antica IV (Antica)Antide Prime (Antide system)Archer IV (Archer system)Beta Renna systemBeta V (Beta system)Betazed (Betazed system)Boreal III (Boreal system)Canopus Major (Canopus system)Chalna (Chalna system)Clarus systemCoalition of MadenaDaled V (Daled system)Daran V (Daran system)Delta IV (Delta system)El-Adrel IV (El Adrel system)Epsilon CanarisGamma EridonGravesworldHalee systemHayashi systemHansen's Planet (Beta Hydra system)Idran Star ClusterIlecom systemJanus VI (Janus system)Jaros colony (Jaros system)Lauren III (Lauren system)Lima Sierra systemLorenze ClusterM24 Alpha systemMakus III (Makus system)Manark IV (Manark system)Manu III (Manu system)Maxia ZetaMelina II (Melina system)Milika III (Milika system)Miridian VI (Miridian system)Nimbus III (Nimbus system)Ogus II (Ogus system)Omega Centus I (Omega Centus system)Organia (Organia system)Pentarus systemPenthara IV (Penthara system)Razzbo systemSeiji MajorSeptimus MinorSerlaySherman's Planet (Sherman system)Straleb (Omega Sagitta system)Strnad solar systemThasus IV (Thasus system)T'lli BetaTorona IV (Torona system)Turkana IV (Turkana system)Tycho systemTyken's RiftVandor IV (Vandor system)Vaytan I (Vaytan system)Wolf 359Zeon MinorZeta Antaras IV (Zeta Antaras system) Explored galaxy map.
planets visited by the USS Enterprise (NCC-1701) during Captain Kirk's initial five-year mission (2265-2270)
various Aprilia IIICaporyGarrusRheelTriangularis III
2265 EarthDraxis IITallyGamma Alpha VPollux IIStarbase 8 planetSector Vega 6 planetM-155Archernar IVDimorusMandylion VTendar IVMestikoAlpha Ortelina VIIArronus VIIAldebaran IIIDelta Vega IStarbase 12VelluriusEarthGlobular planetNorusJunkyard planetPalnak's planetSantarNova XIIIZeltokKorakthe Traveler's homeworldDukarOrthooAlgenib II
2266 Crucial-3VultraRobots' planetAngomaMantis planetNuofoStaiVrexBalant planetZargotColtacRigel XIIAlfa 177M-113Psi 2000Tlaoli IVSkurSelkyeTaragonAlpha 332Ynobe IIEcnalRayloNorigaAlpha Proxima IIKynardiArgylusOminnusEarthK-GSeggorForniaAngiraBeta IINeesanKujalLunaBwujaFayoHerculaEarthKibo/NdoraNrakaAlpha 23-COordonMobitaJodarrQuodarZartaFloe IMetamorphaInicrustMortiTerrellian IIVoodoo planetRiza homeworldMila XaKrugar III remnantQuaraxusArimaMazdaNumero UnoBeta CarinaeExo III1324-IV7348-IITantalus VMiri's homeworldPlanet QBenecia
2267 Taurus IIMakus IIIXimega IIHydra Epsilon IIIPerseus Arm planetoidYkoTenkaraSalvumGrotusVaranu planetYkoTalos IVTektonRifas-LAmusement Park planetHeitius VIICentaurus VFomalhaut VEmben IIICynur IVTyrtaeus IIGothosBeta VITheta VIIRamedes IIICestus IIIMetron planetAlvaLazarus's planetGalaxy Zekbran planetCygnet XIVEarthCanaraBeta IIIDraqqanaIach'tu PrimeEminiar VIICeti Alpha VGamma 400VartaxDak-AlphaTharkMorkolTimshelOmicron Ceti IIIJanus VI7348-IIChandra IVOrganiaAngrenaYkoEarth Colony IIGatewayEarthDenevaJanvarZentarZettinDiad II • "the Frontier" • ModalaLadoGamma XaridianElsinor H-25Starbase 10Beta Mariotia IIIVega IIITondusTekkorCarnakPyris VIIEarthPentam VGamma Canaris NVandros VIINukoleeStyraLurotaOorego IVGiant Brain asteroidOtari IIGatewayIsis IIINot EdenMaaba S'JaCapella IVPollux IVVulcanMestikoNadorTactis IIBeta Nirobi IIPhygma IVOutpost Omega-70Tau Gamma IVM-370Argelius IIMerope IVMalurEulusDonico IIGamma Trianguli VIMasabaLekythosTyrtaeus IIShroud IVHalkaIxtoldeGamma Hydra IVCalydonBelmara IVTuran Tot Narut's planetGamma Canaris NTaunusPlanet 656Beton IIISklurrKarrGraktanPlixesAndriusMuddEarthAneher IIWezonvuNalaingMagna RomaBavaryaNeolithiaMythraRimilliaBabelGamma Canaris NVulcanNisusCertaxNarnel's WorldNGC 667Neural
2268 Fornax IIGamma IITriskelionRudimonArgus XTycho IVCentaurusUsildeTheta VIISigni BetaTautee systemVulcanBeta Canzandia IIIMevinnaSigma Iotia IIXanviaXoxxaInquisitor planetBeta ReticuliDelta VegaNalogen IVDelta VegaDelta Canaris IVAlnath IIAmmdonArretEkosEeiauoSivaoKahlessOmega IVEarthTheta Kiokis IIElasTroyiusElethiaAlsandKosTau Delta IXAmerindStarbase 14 planetAndru 4/6Tranquility VIIMinos VEarthExo IIIT'nufoMinos VEando 375Wrigley's Pleasure PlanetExo IIITortuga VITaos IVTriacusMarcos XIIWokkle IIICawley IVMakon IIIKalaLowariaDreamers' planetSigma Draconis VIMoauvPomplanceRibol IIMarpapluDireidiMedusaElcidar Beta IIIMinara IIOctavius IVBeta CabriniPegasus IVCareta IVBeta XII-APlatoniusIzellEarthScalosM-317Beta Aurigae IIISanoora host planetRhinegeltKalandan outpostBrellian IVPrastorDistrelTttnicktttnorAriannusCheronElba IISanctuaryGideonTau Omega IVTau Omega IIIKolya
2269 Memory AlphaMerak IIArdanaPollux VAvalonBalkos IIINova Atar IIITarnak IIMeta IVVesbiusJanus VIPollux IILeora IVBeta Niobe IIIMygdalus IIIWaasertlaCentaurusRaga's PlanetEdenTheta Tau VHolberg 917GLothorTau Beta IVExcalbiaSarpeidonCamus IIDuwamishEphrata IVSigma Niobe IIGatewayKrasni's FollyVestalanMaltos IVOrganiaKyrosNestaAnomalyAcademyYkoArachnaeBabelEpsilon Delta IVHeartlandMemory PrimeTalin IVWeb of WorldsSyhaar PrimeGatewayMantillesValeriaTaurus IIKinshasaAmusement Park planetMotherlodeMegas-TuTerratinSherman's PlanetVerdanisThe StrandAarak IIIPhi XIUr homeworldVidenGobi IIIPacificaGralafiLoren VArgoWaycrossDengella IIPerryDelta Gamma IVTrefolgLloyd Zeta-9Sigma Iotia IIHesperides II'QosCirce VAndoriaTrellisaneHoloxBoaco VIJuram VVancadiaChyrellkaVeletus VPatria IPelos
2270 Janus VIPhylos IIVedala asteroidDramiaDramia IIArretLactra VIIBoqu IIDelta Theta IIIPandroBriamosYkoBelarius IVVelat Nol/R-836 IIGelladorn/R-775 IDT-262Belarius IVCenotaphEmilla IIVehtora IVAnabarra colonyN'caiMuldoonCoridan IIIAkladiMuddKubanSaraiStarbase 7 planetStella Mudd's planetMuddTaygeta VOkeanosBeta Omicron Delta IIIYoondriGatewayZeta GibraltarAndrosYusubArtemys 314KwettirPolymax VIIIHollow PlanetEarth (alternate)GatewaySycoraxBira IIINjuraOmne's planetVoranRazarMercanAleriadAritaniYalboVulcanHoshan planetsTanisAragos planetAleph PrimeAleph IIIAntos IVTakoi homeworldEarthDenebiaVeneu IIGribbin IIKlondike VIIsitra ZeroPelosArchernar IVTalos IVPillagra/R-855EarthStarbase 12Tomarii


Janus VI was not mentioned in canon after TOS, but as a homage was listed on the "Conspiracy" explored galaxy map and the "Yesterday's Enterprise" alternate timeline tactical situation monitor showing progress of the Klingon war with the Federation, and a later re-use of this chart in "The Wounded".

Appearances and references



External link