Cren (world)

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

Cren/Ras Tennol (Far Home 2215)
Classic Era (1115)
D574787-3
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size5 Medium (8,000 km, 0.40g - 0.57g)
Atmosphere7 Standard (tainted)
Hydrographics4 Wet World 40%
Population7 Moderate (50 million)
Government8 Civil Service Bureaucracy
Law7 Moderate Law (no firearms)
Tech Level3 Pre-Industrial (basic science)
See also UWP
System Details
Primary K0 IV
Planetoid Belts 1
Gas Giants 3
jumpmap?sector=Far+Home&hex=2215&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Cren is a preindustrial, agricultural world.


Astrography and Planetology[edit]

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

Monostellar System[edit]

Cren Monostellar System
Star Name Hierarchy Color Classification Remarks
Cren Primary Orange K0 IV


System Data[edit]

Gravin-Cren System[edit]

The primary is Gravin, an ordinary orange main sequence star. It has a luminosity of 4.67 Sols, a mass of 2.3 Sols, and a diameter of 4.591 million km. The inner system consists of (I) a vacuum worldlet, (II) a trace atmosphere inner world, (III) a corrosive atmosphere inferno world, and (IV) a sparse stony planetoid belt. (V) Belsad, a large gas giant, orbits within the habitable zone: (Vc) Cren is its outer satellite and is designated the mainworld. (VI) a ringed large gas giant, (VII) a small gas giant, and (VIII) a trace atmosphere iceworld form the outer system. Many of the worlds retain satellites.

(V) Belsad[edit]

(V) Belsad is a large gas giant that orbits Gravin at a mean distance of 1.74 AU (260 million km), within the habitable zone, and has an orbital period of 1 year 188 days. It has a diameter of 103,000 km and is a faintly banded grey-white colour. It retains a family of three major satellites of which the outer, (Vc) Cren, is designated the mainworld.

Mainworld Data[edit]

(Vc) Cren[edit]

(Vc) Cren is the outer of the three major moons of (V) Belsad and is designated the mainworld. It orbits its parent world at a mean distance of 25 diameters (2.57 million km), with an orbital period of 359 days 11 hours: it is tidally locked to Belsad. The axial tilt is 3 degrees relative to Belsad. Cren has a diameter of 8,122 km, a density of 4.23 g/cm³ and a surface gravity of 0.49 G. Tidal stresses generated by the gravitational pull of Belsad cause occasional geological activity. The atmosphere is rated as Standard, Tainted, with a mean surface pressure of 0.79 bar and a composition of 74% nitrogen (N2), 25% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. The taint is caused by the high percentage of atmospheric oxygen. Around 40% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.25m. Mean surface temperature: 32°C. The climate is rated as Hot and is static, with no seasonal changes during the local year. The atmosphere is active and strong weather systems driven by the star and the seas surge across the globe.

Mainworld Geography and Topography[edit]

Total surface area: 207 million km², Land surface area: 124 million km², Water surface area: 83 million km².

Native Lifeforms[edit]

Gravin-Cren System[edit]

Cren has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Cren has a poor quality starport.

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

World technology level[edit]

Cren possesses a Technology Level of TL–3.

  • Common Communication technologies for this TL include: Printing press, the mechanical telegraph, and the first audio recordings.
  • Common Power Generation technologies for this TL include: Coal or other simple hydrocarbon fuels and early steam engines.
  • Common Transportation technologies for this TL include:
    • Land: Bicycles and early steam coaches with advanced roadways.
    • Water: Advanced sailing and early steam engine ships.
    • Air: The earliest hot air balloons.

World government[edit]

Cren has a Civil Service Bureaucracy government.

  • It is a government by agencies employing individuals selected for their expertise.
  • The typical power source of this government is an Oligarchy.
  • 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]

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