Shem (world)

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

Shem/Irikusk (Far Home 0825)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size5 Medium (8,000 km, 0.40g - 0.57g)
Atmosphere8 Dense
Hydrographics5 Wet World 50%
Population4 Moderate (50 thousand)
Government5 Feudal Technocracy
Law6 Moderate Law (no firearms except shotguns)
Tech Level5 Industrial (mass production)
See also UWP
System Details
Primary K0 V M9 VI
Planetoid Belts 3
Gas Giants 1
Jump map from [1]

Shem is a pre-agricultural and nonindustrial world lacking adequate development for its economy to become prosperous.

  • As a nonindustrial world, it requires extensive imports of outside technology to maintain a modern, star-faring society. The need to import most manufactured and high technology goods drives the price of these goods up in the open market.
  • This a "low technology" world with technology competency well below technology standards for Charted Space.
  • It is a Non-Aligned world dominated by human sophonts located in the Irikusk Subsector of Far Home Sector.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Shem Binary Star System
Star Name Hierarchy Color Classification Remarks
Shem Primary Primary Orange K0 V
Shem Companion Secondary Red M9 VI

System Data[edit]

Trampier-Shem System[edit]

The primary is Trampier, an ordinary orange main sequence star. It has a luminosity of 0.42 Sols, a mass of 0.825 Sols, and a diameter of 1.263 million km. The inner system consists of (I) a trace atmosphere worldlet, and (II) a corrosive atmosphere inferno world. (III) Shem orbits within the habitable zone and is designated the mainworld. (IV) a very thin atmosphere hospitable world, (V) a sparse stony planetoid belt, and (VI) a ringed large gas giant form the outer system. Many of the worlds retain satellites.

Loubet Subsystem[edit]

The companion is Loubet, a dim red subdwarf star. It has a luminosity of 0.00006 Sols, a mass of 0.058 Sols, and a diameter of 73,700 km. (I) a sparse stony planetoid belt, (II) a sparse icy planetoid belt, and (III) an exotic atmosphere bigworld form the outer system. The bigworld retains a satellite.

Mainworld Data[edit]

(III) Shem[edit]

(III) Shem is designated the mainworld. It orbits Trampier at a mean distance of 0.63 AU (94.3 million km), within the habitable zone. It has an orbital period of 201 days 2 hours and a rotation period of 63 hours. The axial tilt is 20 degrees. Shem has a diameter of 8,675 km, a density of 5.31 g/cm³, and a surface gravity of 0.66 G. The world is geologically active. Its atmosphere is rated as Dense, with a mean surface pressure of 1.71 bar and a composition of 79% nitrogen (N2), 20% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. Approximately 49% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.3m. Mean surface temperature: 31°C. The climate is rated as Hot and experiences moderate seasonal changes during the local year. The atmosphere is active and strong weather systems driven by the star and the seas drive across the globe.


World retains a single natural satellite, a cratered, ice-capped vacuum worldlet named Dietrich:

(IIIa) Dietrich (UWP Y101000-0, orbiting at 14 Diameters/120,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 236 million km², Land surface area: 120 million km², Water surface area: 116 million km².

Native Lifeforms[edit]

Trampier-Shem System[edit]

Shem, the mainworld, 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]

Shem 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]

Shem possesses a Technology Level of TL–5.

  • Common Communication technologies for this TL include: Telephone, radio, and television.
  • Common Power Generation technologies for this TL include: Electricity, hydrocarbon internal combustion, and the most fundamental atomic energy.
  • Common Transportation technologies for this TL include:
    • Land: Ground cars or automobiles and tracked vehicles.
    • Water: Large ships and submersibles with steel hulls.
    • Air: Early aircraft including seaplanes and very early unmanned rockets.

World government[edit]

Shem has a Feudal Technocracy government.

  • It is a government by specific individuals for those who agree to be ruled. Relationships are based on the performance of technical activities which are mutually-beneficial.
  • The typical power source of this government is an Oligarchy.
  • The typical power structure of this government is a Hegemony.

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