Celian (world)

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

Celian/Genesti (Far Home 0709)
Classic Era (1115)
C6A1243-A
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size6 Medium (9,600 km, 0.60g - 0.81g)
AtmosphereA Exotic
Hydrographics1 Dry World 10%
Population2 Low (400)
Government4 Representative Democracy
Law3 Low Law (no automatic weapons)
Tech LevelA Early Stellar (jump drive)
See also UWP
System Details
Primary F6 IV
Planetoid Belts 0
Gas Giants 0
jumpmap?sector=Far+Home&hex=0709&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Celian is a low population, fluidic hellworld of less than 10,000 sophonts struggling to survive in a inhospitable environment.

  • A fluid world has an oceanic geography of a liquid other than water such as ammonia, methane, hydrocarbons, or other exotic liquids.
  • Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants.
  • It is a Non-Aligned world dominated by human sophonts located in the Genesti Subsector of Far Home Sector.


Astrography and Planetology[edit]

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

Monostellar System[edit]

Celian Monostellar System
Star Name Hierarchy Color Classification Remarks
Celian Primary Yellow-White F6 IV


System Data[edit]

Varl-Celian System[edit]

The primary is Varl, a yellow-white subgiant star. It has a luminosity of 10.9 Sols, a mass of 1.95 Sols and a diameter of 3.59 million km. The inner system consists of (III) a vacuum worldlet, (IV) a trace atmosphere inner world, and (V) a trace atmosphere worldlet – orbital positions (I) and (II) are empty. Orbital position (VI) – the habitable zone of the star – is empty. (VII) Celian, designated the mainworld, forms the outer system. None of the worlds in the system have satellites.

Mainworld Data[edit]

(VII) Celian[edit]

(VII) Celian is designated the mainworld. It orbits Varl at a mean distance of 5.1 AU (763 million km), within the H+ region of the outer system. It has an orbital period of 8 years 90 days and a rotation period of 36.5 hours. The axial tilt is 15 degrees. Celian has a diameter of 10,238 km, a density of 4.57 g/cm³, and a surface gravity of 0.66 G. Its atmosphere is rated as Exotic, with a mean surface pressure of 3.45 bar and a composition of 97% nitrogen (N2), 2% methane (CH4), and 1% argon (Ar), carbon dioxide (CO2), neon (Ne), hydrogen (H2) and other trace gases. Approximately 6% of the surface is covered in lakes of liquid methane. Mean surface temperature: -126°C. The climate is rated as Frigid and experiences moderate seasonal changes during the local year. The atmosphere is dynamic and powerful weather systems, driven by the star, sweep across the globe.

Mainworld Geography and Topography[edit]

Total surface area: 329 million km², Land surface area: 309 million km², Fluid surface area: 20 million km². The atmosphere of Celian is largely nitrogen; photocatalytic processes in the atmosphere lead to the formation of substances such as acetylene (C2H2), ethane (C2H6) and propane (C3H8) that form into clouds, gaseous and liquid ammonia (NH3), and nitrogen-rich organic smogs. These substances may fall as precipitation. Temperatures at the poles fall to around -165°C, low enough to allow the formation of liquid methane. Large lakes can be found within craters, hollows and depressions across the polar regions.

Native Lifeforms[edit]

Varl-Celian System[edit]

No world in the system is known to have native life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Celian has a routine quality starport.

  • A Class-C Starport Facility has minimal if any shipyards and can only perform extremely limited repair work.
  • This facility has many very skilled personnel who can perform surprisingly sophisticated repair work despite the limited facilities.
  • This facility has refueling infrastructure and limited refining capabilities. One may purchase unrefined fuel here.
  • Starports of this class rarely have both a Lowport and a Highport.

World technology level[edit]

Celian possesses a Technology Level of TL–10 or TL-A in Hexadecimal Notation.

World government[edit]

Celian has a Representative Democracy government.

  • It is a government by elected representatives.
  • The typical power source of this government is a Republic.
  • The typical power structure of this government is a Unitary State .

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

Population: 400

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