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Tellar was the mountainous homeworld of the Tellarite civilization. Tellar was the capital planet and seat of government of the United Planets of Tellar state, one of the five founding members of the United Federation of Planets.

History and specifics

This world, also known as Tellar Prime, Tellarus and as Miracht, is the fifth planet in the Tellar system. (ST reference: The Worlds of the Federation) By the 25th century, Tellar Prime is the second of three planets in its system. (STO - The Iconian War mission: "Venture into Deep Space") It was located in the Pangeos system of the Alpha Quadrant. (Decipher RPG module: Worlds) In addition, the planet has two moons, known as Kera and Phinda. (ST reference: The Worlds of the Federation)

According to Decipher RPG module: Starfleet Operations Manual, it is the third planet, while Worlds states it is the fourth planet. Furthermore, Worlds states that it has only a single unidentified moon.

The surface of Tellar is noted for being unusually dry, and for having an inactive climate for a Class M planet - with it being sunny most of the time at all locations. The light and dry atmosphere did not trap the heat sufficiently, which meant that temperatures remained cool for many years. Furthermore, there was very little water that covered the planetary surface with whatever oceans being present being little more than large inland seas. Whilst on the surface the world lacked much water, it did by volume possess the same amounts of those on M Class worlds. The reason for this discrepancy was because the planetary continental shelf cantilevers over the oceans surface instead of sloping beneath it which traps much of the water underground. This lack of surface water meant that little of it evaporated into the air thus depriving any possibility of rainfall which was in turn why the planet was so dry and calm. Any sea water instead flowed through a network of subterranean caverns and collects inland into vast underground reservoirs. This process meant that the water was filtered of any impurities including salt and meant that these reserves consisted of fresh water. (Decipher RPG module: Worlds)

Tellar vicinity.

Tellar is the location of the Tellar Prime Shipyards. (TNG video game: Armada II) Starfleet's main outpost in the Tellar system was Starbase 223. (Last Unicorn RPG module: Planets of the UFP) The Starfleet Intelligence Operations School was located on Tellar. (Last Unicorn RPG module: The First Line: Starfleet Intelligence Handbook)

Emblem of Tellar.

One settlement on Tellar was Hurutam. Hurutam was home to The Brightness Press, which published Dvoriv B'bargalah's Title to the Truth: Orion Historiography and Its Ownership in reference stardate 2/09. (FASA RPG - The Orions module: Book of Common Knowledge)

Tellarite emblem in the 2250s.


Tellar in 2154.

In an early extraterrestrial observation, Tellar was surveyed by the Vulcan civilization's starship Yeht Fai-Tukh. (Decipher RPG module: Starships)

On 12 November 2154, the United Earth starship Enterprise picked up the diplomatic delegation from Tellar Prime to ferry them to Babel, a neutral planetoid on the other side of Andorian space. Serving as a neutral party, the Humans wished to mediate in the latest trade dispute between the United Planets and the Andorian Empire, which threatened to evolve into a shooting war. (ENT episode: "Babel One")

When the Romulan Star Empire attempted to stir up conflict between local powers, Captain Jonathan Archer of Enterprise convinced the Tellarite delegate, Ambassador Gora bim Gral, and Andorian captain Thy'lek Shran to request ships from their governments. Both Tellar and Andoria complied with the request, forming an impromptu alliance of planets. (ENT episode: "United")

Following the formation of the alliance, and its first repel of the Romulan telepresence drone ship, a transport ship returned Ambassador Gral back to Tellar Prime. (ENT episode: "The Aenar")

In the late 2370s, Tellar's Federation Councillor was a Tellarite male named Bera chim Gleer. (TNG novel: A Time to Heal; DS9 novel: Trill: Unjoined; ST novel: Articles of the Federation)

On February 10, 2381, Tellar Prime was one of the planets targeted by the Borg Collective for eradication until the Borg were stopped by Captain Erika Hernandez and the Caeliar. (ST - Destiny novel: Lost Souls)


Bodies of water

Covila OceanDeuagarilla SeaEast Sea of LinzNivel SeaSea of BedwaraSea of KetranTraben SeasVoshev OceanWest Sea of Linz

Continents (and provinces)


Geographic features


Cities and settlements

AgoraOld CityHurutamShirgatTelemachusTraben

Moons and satellites


Notable locales

Bilav FieldsChrerohs SpaSouthpeak ObservatoryTellar Global CongressValley of Thar

Natural history

Flora and fauna

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Alternate timeline

In an alternate timeline in which Khan Noonien Singh won the Eugenics Wars and Humanity underwent genetic engineering en masse, the Khanate of Earth conquered Tellar during the 21st century. The Tellarites remained helots of Humans well into the 24th century. (DS9 - Myriad Universes novel: Seeds of Dissent)



61 Cygni system
Tellar (KeraPhinda) • Tellamarkus