Jerik (world)

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

Jerik/Jerik (Halcyon 0630)
Classic Era (1115)
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size3 Small (4,800 km, 0.24g - 0.34g)
Atmosphere2 Vacuum (very thin - tainted)
Hydrographics2 Dry World 20%
Population6 Moderate (8 million)
Government8 Civil Service Bureaucracy
Law7 Moderate Law (no firearms)
Tech Level8 Pre-Stellar (superconductors)
See also UWP
System Details
Primary M5 III
Planetoid Belts 0
Gas Giants 2
Jump map from [1]

Jerik is a poor, non-agricultural and nonindustrial hellworld with a population struggling to survive in an inhospitable environment.

  • Hellworlds often offer daily, and sometimes even hourly, life-threatening situations to their inhabitants. Survivors often form intense survival skills and tend to be grim realists.
  • It requires extensive imports of outside technology to maintain a modern, star-faring society.
  • It is unable to produce quality foodstuffs and must import them.
  • It is a Non-Aligned world dominated by human sophonts located in the Jerik Subsector of Halcyon Sector.

Astrography and Planetology[edit]

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

Monostellar System[edit]

Jerik Monostellar System
Star Name Hierarchy Color Classification Remarks
Jerik Primary Red M5 III

System Data[edit]

Tarda-Jerik System[edit]

The primary is Tarda, a red giant star. It has a luminosity of 2280 Sols, a mass of 7.4 Sols, and a diameter of 317 million km – the star's corona extends out to 1.06 AU, within orbital position (IV). The inner system consists of (V) a vacuum worldlet, (VI) a trace atmosphere inner world, (VII) an exotic atmosphere radworld, (VIII) a corrosive atmosphere inferno world, (IX-I) a trace atmosphere worldlet, and (IX-II) a very thin atmosphere hospitable world. (X) Jerik orbits within the habitable zone and is designated the mainworld. (XI-I) an exotic atmosphere hospitable world, (XI-II) a small gas giant, and (XII) a large gas giant form the outer system. Few of the worlds retain satellites.

Mainworld Data[edit]

(X) Jerik[edit]

(X) Jerik is designated the mainworld. It orbits Tarda at a mean distance of 75.4 AU (11.3 billion km), within the habitable zone. It has an orbital period of 240 years 249 days and a rotation period of 43 hours. The axial tilt is 4 degrees. Jerik has a diameter of 4,632 km, a density of 3.84 g/cm³, and a surface gravity of 0.25 G. The world is geologically active. Its atmosphere is rated as Very Thin, Tainted, with a mean surface pressure of 0.23 bar and a composition of 84% nitrogen (N2), 14% abiotic oxygen (O2), 1% argon (Ar), and 1% carbon dioxide (CO2), water vapor (H2O), ozone (O3), neon (Ne) and other trace gases. The taint is caused by the low percentage of atmospheric oxygen and the relatively high levels of background radiation: emission rates exceed 1 rad per hour. Approximately 19% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.35m. Mean surface temperature: 53°C. The climate is rated Hot and is static, with no seasonal changes during the local year. The atmosphere is slow and minor weather systems driven by the star and the seas drift across the globe.


Jerik retains a single natural satellite, a tiny vacuum worldlet named Chungo:

(Xa) Chungo (UWP YS00000-0, orbiting at 6 Diameters/28,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 67 million km², Land surface area: 54 million km², Water surface area: 13 million km².

  • The oxygen in the atmosphere is abiotic in origin, produced by the photocatalytic reaction between the high levels of UV energy radiating from the star and titanium dioxide (TiO2), which is found in surface minerals such as ilmenite.

Native lifeforms[edit]

Tarda-Jerik System[edit]

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Jerik 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]

Jerik possesses a Technology Level of TL–8.

  • Common Communication technologies for this TL include: Fiber optics, improved telephones, and satellite communication and data networks.
  • Common Power Generation technologies for this TL include: Improved geothermal and improved batteries.
  • Common Transportation technologies for this TL include:
    • Land: Advanced automobiles.
    • Water: Triphibians and early artificial gills.
    • Air: Improved helicopters and hypersonic jets.
    • Space: Space shuttles, early space stations, and improved interplanetary spacecraft.

World government[edit]

Jerik 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