Uptar (world)

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This is a world-system under construction and is currently being input-programmed into the Traveller RPG Wiki.

Uptar/Murada (Halcyon 0605)
Classic Era (1115)
StarportE Frontier - no facilities
Size7 Medium (11,200 km, 0.70g - 0.94g)
AtmosphereB Exotic (corrosive)
Hydrographics1 Dry World 10%
Population0 Barren (0)
Government0 No Government structure
Law0 No Law
Tech Level0 Pre-Industrial (primitive)
See also UWP
System Details
Primary M8 V
Planetoid Belts 0
Gas Giants 0
Jump map from Travellermap.com [1]

Uptar is a barren fluid hellworld with oceans of a liquid other than water such as ammonia, methane, or hydrocarbons, or other exotic liquids.

  • This world has no overt population, government, or law level.
  • Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants.
  • This world could be populated if anyone had an inclination to do so...
  • This world is a "Twilight Zone World", a planet that is tidally-locked to its primary world, giving a hot pole, a cold pole and a twilight zone in-between.
  • It is an unclaimed Non-Aligned world located in the Murada Subsector of Halcyon Sector.

Astrography and Planetology[edit]

This star system is detailed using the Fringian Variant System Description.

Monostellar System[edit]

Uptar Monostellar System
Star Name Hierarchy Color Classification Remarks
Uptar Primary Red M8 V

System Data[edit]

Valens-Uptar System[edit]

The primary is Valens, a dim red main sequence star. It has a luminosity of 0.0025 Sols, a mass of 0.244 Sols, and a diameter of 334,000 km. (I-I) Uptar, designated the mainworld, and (I-II) an exotic atmosphere bigworld form the outer system. Neither world retains satellites.

Mainworld Data[edit]

(I-I) Uptar[edit]

(I-I) Uptar is designated the mainworld. It orbits Valens at a mean distance of 0.13 AU (19.5 million km), within the outer system. It has an orbital period of 34 days 16 hours: it is tidally locked to Valens. The axial tilt is 3 degrees. Uptar has a diameter of 11,553 km, a density of 5.97 g/cm³, and a surface gravity of 0.83 G. The world is geologically active. Its atmosphere is rated as Corrosive, with a mean surface pressure of 74.3 bar and a composition of 81% nitrogen (N2), 14% carbon dioxide (CO2), 3% methane (CH4), 1% nitrogen dioxide (NO2), and 1% argon (Ar), water vapor (H2O), ammonia (NH3), water vapor (H2O), neon (Ne) and other trace gases. Approximately 8% of the surface is covered in lakes of carbon dioxide kept liquid by the very high atmospheric pressure and low temperatures. Mean surface temperature: -85°C. The atmosphere is very active and powerful weather systems driven by the star scour the globe. The climate is seasonal.

Mainworld geography and topography[edit]

Total surface area: 419 million km², Land surface area: 385 million km², Fluid surface area: 34 million km².

  • The world experiences libration, which causes the star to move in the sky and periodically rise and fall above the horizon in the Twilight region.

Native Lifeforms[edit]

Neither world in the Uptar system has native life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

No information yet available.

World technology level[edit]

No information yet available.

World government[edit]

No information yet available.

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

No information yet available.

World culture[edit]

No information yet available.

Historical data[edit]

No information yet available.

World timeline[edit]

No information yet available.

UWP listing[edit]

No information yet available.

References & Contributors / Sources[edit]

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This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises or by permission of the author.

  1. "Jump Map API" and map location from Travellermap.com