Corsh (world)

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

Corsh/Sithula (Divide 2801)
Classic Era (1115)
Starport? Error in Starport Decode
SizeA Large (16,000 km, 1.14g - 1.48g)
Atmosphere8 Dense
HydrographicsA Water World 100%
Population? Error in Population Decode
Government? Error in Government Decode
Law? Error in Law Decode
Tech Level? Error in Tech Decode
See also UWP
System Details
Primary F6 V M3 V
Planetoid Belts 2
Gas Giants 5
Jump map from [1]


Astrography and Planetology[edit]

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

Binary Solar System[edit]

Corsh Binary Star System
Star Name Hierarchy Color Classification Remarks
Corsh Primary Primary Yellow-White F6 V
Corsh Companion Secondary Red M3 V 2320 AU from primary

System Data[edit]

Corsh Subsystem[edit]

The primary is an unnamed ordinary white main sequence star. It has a luminosity of 3.042 Sols, a mass of 1.248 Sols, and a diameter of 1.845 million km. The inner system consists of (I) a vacuum inner world, (II) an exotic atmosphere stormworld, (III) a trace atmosphere worldlet, and (IV) Corsh, designated the mainworld. (V) a sparse stony planetoid belt orbits within the habitable zone. (VI) a ringed large gas giant, (VII) a large gas giant, and (VIII) a ringed small gas giant form the outer system. Many of the worlds retain satellites.

Red Main Sequence Subsystem[edit]

The companion is an unnamed ordinary red main sequence star that lies 2,320 AU from the primary. It has a luminosity of 0.0202 Sols, a mass of 0.3942 Sols, and a diameter of 604,000 km. (I) a dense stony planetoid belt, (II) a large gas giant, and (III) a small ice giant form the outer system. Many of the worlds retain satellites.

Mainworld Data[edit]

(IV) Corsh[edit]

(IV) Corsh is designated the mainworld. It orbits the primary at a mean distance of 1.08 AU (161.6 million km), within the H– region of the inner system. It has an orbital period of 1 year 2 days and a rotation period of 46 hours. The axial tilt is 29 degrees. Corsh has a diameter of 15,797 km, a density of 6.07 g/cm³, and a surface gravity of 1.36 G. The world is geologically active. Its atmosphere is rated as Dense, with a mean surface pressure of 2.11 bar and a composition of 80% nitrogen (N2), 19% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), neon (Ne) and other trace gases. Corsh is a water world, with approximately 98.3% of the surface covered in oceans of liquid water: average tidal ranges exceed 0.9m. Mean surface temperature: 6°C. The atmosphere is very active and powerful weather systems driven by the star and the oceans surge across the globe. The climate is seasonal.


Corsh retains a single natural satellite, a very thin atmosphere hospitable world named Pasado:

(IVa) Pasado (known UWP ?423???-?, orbiting at 13 Diameters/205,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 784 million km², Water surface area: 771 million km², Land surface area: 13 million km².

Native Lifeforms[edit]

Corsh, the mainworld, lying within the H– region of the inner system, has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

  • Pasado, Corsh's hot marginally hospitable moon has primitive native life, consisting entirely of microscopic cyanobacteria-parallels that exist in any location where they can find even a minimal trace of shelter and warmth. Their metabolic functions maintain the process of atmospheric renewal.

History & Background (Dossier)[edit]

The Corsh system has been studied by the Local Astrographical Survey Project, a part of the Astronomy Department of the University of Selasia.

World starport[edit]

Corsh has no listed Starport data.

World technology level[edit]

Corsh has no listed Technology Level data.

World government[edit]

Corsh has no listed Government data.

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

Corsh has no listed Population data.

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