For other uses, see Ekos.

Ekos (or M43 Alpha IV) was a planet located in the space of the galaxy's Beta Quadrant, the fourth planet in orbit of the M43 Alpha star system, at coordinates 2.02S 6.95E; or 72.8, -29.1, -68.7. Ekos, along with sister planet Zeos, was one of two class M planets in the system, had a single moon and was the homeworld of the humanoid Ekosi civilization. (TOS episode & Star Trek 12 novelization: Patterns of Force; ST references: Maps, The Worlds of the Federation; FASA RPG module: The Federation; Decipher RPG module: Worlds; ST website:

Apparently in error in contrast to Star Trek Maps and The Worlds of the Federation, FASA's The Federation lists this as the third planet of M43 Alpha. the Federation also lists a moon omitted by the other sources. gives the star's name as M34 Alpha.

History and makeupEdit

M43 alpha system

Star system image

In the 23rd century, Federation sociologist and historian John Gill visited Ekos. What Gill found was a planet in the throes of anarchy. Gill chose to violate the Prime Directive in order to help the native population. Gill tried to institute a modified version of a Nazi style government on Ekos—believing that a benign government that did not include the worst excesses of the original party could bring order and efficiency to the Ekosian people without the disastrous consequences the original had to not only the German people, but to millions of others as well.

What Gill didn't realize was that the structure of governments based on that of Nazi Germany during the 1930s and 1940s inherently invited abuse. Gill was drugged by his subordinate Melakon, who then became the real power on Ekos. Once Melakon took over, the worst aspects of Nazi rule came to the forefront on Ekos. The people of Zeon became the targets of this Nazi government, much like the Jewish people had been the targets of the original party.

Captain James T. Kirk and the USS Enterprise arrived to find out what had happened to Gill, and discovered that his tampering in the Ekosian government had led to the rise of a wholly Nazi planetary nation-state on Ekos. They found the drugged Gill, and revived him in time to put a stop to Melakon's plans. Melakon shot Gill, and was in turn killed by another Ekosian. Afterwards, a resistance movement took control of the Ekosian government. As Gill died in Captain Kirk's arms, he admitted that he made a terrible mistake, and that the Prime Directive was the correct way to deal with younger cultures. (TOS episode & Star Trek 12 novelization: Patterns of Force)

Though Kirk hoped the collapse of the Ekosian government would lead to peace, instead both Ekos and Zeon became more xenophobic and aggressive. Then, at some point between the years 2268 and 2287, the Klingon Empire initiated contact with the M43 Alpha system, and began providing arms to both sides. This led to an arms race which exploded into full-scale conflict in 2287. The conflict continued even after the Klingons withdrew following the explosion of Praxis in 2293. The Federation attempted to broker a peace between Ekos and Zeon, but as of stardate 34675.8, the conflict continued, and had claimed the life of Starfleet Lieutenant Shewer Freeman. At that time, Commodore Göller recommended withdrawing all Federation personnel from the system. (SCE eBook: Fables of the Prime Directive)

The Federation starship USS Ekos was named for this planet. (FASA RPG module: Federation Ship Recognition Manual)

Ekos had a total surface area of 317,000,000 square kilometers and, with 45% land mass and 55% of the surface covered by water oceans, a total land area of 142,650,000 square kilometers. Ekos has a gravity of .98g, a diameter of 18,000 kilometers and an equatorial circumference of 35,000 kilometers. About 33% of Ekos 's makeup is usable metals, with 12% of the planet made up of radioactive elements, with trace deposits of crystal, gemstones and other special minerals. Ekos has a warm temperate climate, a class M terrestrial atmosphere and a day's length of 25.5 hours.

By reference stardate 2/2306.01, the world had a technological/sociopolitical index of 556552-77 and a nonexistent planetary trade profile, with a population of over 6.5 billion individuals. Following the fall of Nazism on Ekos, the world was made a Federation protectorate, but quarantined from further interstellar contact. (FASA RPG module: The Federation)

By the 24th century, Ekos remained a Federation protectorate. (Decipher RPG module: Worlds)

After the death of Starfleet Lieutenant Shewer Freeman in the ongoing tensions between the Ekosi and Zeos, Commodore Göller recommended the withdrawal of Federation forces from the world. (SCE eBook: Fables of the Prime Directive)


the planet Ekos
cities and settlements ArchassBaranikBroturEkosisFolkahrIrdrantKor-ssa
landmarks and institutions Arshnit CampGill Spaceport
nation-states and provinces DronollFarolahnNar InstelThalossis
geography Gidron BeltGorhev MountainsNarek MountainsMargud TundraNorekTorekRorlanSeacliffs of WarselTarndahl Wastes
bodies of water Arnassen SeaCrat'r BayTharossen OceanValeesen Sea



M43 Alpha star system
M43 Alpha (trinary star) • M43 Alpha I • M43 Alpha II • M43 Alpha III • IV. Ekos • V. Zeon (1 moon) • M43 Alpha VI • M43 Alpha VII • M43 Alpha VIII • M43 Alpha IX (9 moons) • M43 Alpha X (21 moons) UFP seal
planets visited by the USS Enterprise (NCC-1701) during Captain Kirk's initial five-year mission (2265-2270)
various Aprilia IIICaporyGarrus
2265 EarthDraxis IITallyAlpha Ortelina VIIArronus VIIAldebaran IIIM-155MestikoDimorusTendarArchernar IVDelta Vega IMiri's homeworldStarbase 127348-IIrobot planetTimshelK-GZartaMetamorphaNumero UnoMortiInicrustVoodoo planetGamma Alpha VStarbase 8 planetPollux IIDukarNeesanAlgenib II
2266 Beta IVRigel XIIPsi 2000Tlaoli IVAlpha Proxima IIAngiraBeta CarinaeExo III1324-IVCanaraNadorM-113Alfa 177Planet QBeneciaYkoTheta VII (Rell's world)Talos IVNumero UnoGateway
2267 Makus IIIBeta VIJanus VIOmicron Ceti IIIDenevaCeti Alpha VEminiar VIIBabelGamma Canaris 527Taurus IIHydra Epsilon IIIXimega IIPerseus Arm planetoidYkoSalvumGrotusRifas-LAmusement Park planetHeitius VIICentaurus VTyrtaeus IIGothosCestus IIINisusIron-silica planetZutotanium planetoidMuddEarthCanaraBeta IIIPyris VIIVulcanGamma XaridianPollux IVArgelius IIHalkaBavaryaNeolithiaMythraCapella IVGamma 400Magna RomaGamma Trianguli VISigma Iotia IIMasabaLekythosTyrtaeus IIShroud IVTycho IVDonico IIRimilliaOrgania
2268 Narnel's WorldNeuralAlpha Malurian VIBeta Canzadia IIIFornax IIGamma IITriskelionArgus XTycho IVTheta VIISigni BetaEarthPegasus IVCareta VDireidiEeiauoPatria IExo IIIT'nufoTranquility VIILeora IVAcademyDelta Canaris IVTautee star systemAmmdonMarcos XIIOctavius IVBeta CabriniAmerindBeta XII-AElasTroyiusSigma Draconis VIEkosScalosGideonBrellian IVPrastorDistrel
2269 MercanAnomalyEdenHolberg 917GSarpeidonExcalbiaAndrosPollux VAvalonCamus IIAragosTanisAleph PrimeKyrosBeta CastelliHeloxUnnamed Hoshan planetsChrellkan IIIChrellkan IVVidenDengella IIAlnath IISanctuaryMemory PrimeEphrata IVGelladorn/R-775 IVelat Nol/R-836 IITheta Tau VTalin IVAleph IIIBoaco VITrefolgMantillesMerak IIArdanaBabelOrganiaGatewayMaltos IV
2270 Isitra ZeroGatewayMercanDenebiaPhylos IIBeta Omicron Delta IIIMotherlodeMegas-TuTerratinSherman's PlanetArgoVedala asteroidDramia IIArretLactra VIIDelta Theta IIIArchernar IVCenotaphTaygeta VOkeanosElcidar Beta IIIYoondriAleriadAritaniYalboSycoraxTalos IVPillagra/R-855 IIIR-855EarthStarbase 12Tomarii

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