Jerune (world)

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

Jerune/Xelan (Far Home 3007)
Classic Era (1115)
DA9A322-5
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
SizeA Large (16,000 km, 1.14g - 1.48g)
Atmosphere9 Dense (tainted)
HydrographicsA Water World 100%
Population3 Low (7 thousand)
Government2 Participating Democracy
Law2 Low Law (no energy weapons)
Tech Level5 Industrial (mass production)
See also UWP
System Details
Primary F7 V
Planetoid Belts 1
Gas Giants 3
jumpmap?sector=Far+Home&hex=3007&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Jerune is a low-population oceanic water world with a population of less than 10,000 sophonts.

  • It is covered with very deep oceans with less than 1% of its land above sea level.
  • The inhabitants of this world live on the roughly 1% of exposed land mass, in underwater colonies, on city ships, or similar arrangements.
  • It is a Non-Aligned world dominated by human sophonts located in the Xelan Subsector of Far Home Sector.


Astrography and Planetology

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

Monostellar System

Jerune Monostellar System
Star Name Hierarchy Color Classification Remarks
Jerune Primary Yellow-White F7 V


System Data

Skyr-Jerune System

The primary is Skyr, an ordinary yellow-white main sequence star. It has a luminosity of 2.584 Sols, a mass of 1.196 Sols, and a diameter of 1.742 million km. The inner system consists of (I) a vacuum inner world, (II) a vacuum worldlet, (III) an exotic atmosphere radworld, and (IV) Jerune, designated the mainworld. (V) a standard atmosphere radworld orbits within the habitable zone. (VI) a thin atmosphere hospitable world, (VII) a dense icy planetoid belt, (VIII) a ringed large gas giant, (IX) a large gas giant, and (X) a small gas giant form the outer system. Many of the worlds retain satellites.

Mainworld Data

(IV) Jerune

(IV) Jerune is designated the mainworld. It orbits Skyr at a mean distance of 1.12 AU (167.6 million km), within the H– region of the inner system. It has an orbital period of 395 days 21 hours and a rotation period of 25.5 hours. The axial tilt is 16 degrees. Jerune has a diameter of 15,824 km, a density of 4.79 g/cm³, and a surface gravity of 1.08 G. The world is geologically active. Its atmosphere is rated as Dense, Tainted, with a mean surface pressure of 1.99 bar and a composition of 71% nitrogen (N2), 28% 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 levels of atmospheric oxygen. Approximately 99.7% of the surface is covered in oceans of liquid water: average tidal ranges exceed 0.9m. Mean surface temperature: 24°C. The atmosphere is dynamic and powerful weather systems driven by the star and the oceans surge across the globe. The climate is seasonal.

Satellite

Jerune retains a single natural satellite, an ice-capped vacuum worldlet named Doloran:

(IVa) Doloran (UWP H211000-0, orbiting at 8 Diameters/125,000 km)

Mainworld geography and topography

Total surface area: 787 million km², Water surface area: 785 million km², Land surface area: 2 million km².

  • The taint is caused by the high levels of atmospheric oxygen. Breathing the atmosphere without suitable filtration equipment will cause oxygen narcosis and oxygen toxicity. Symptoms include sensations of euphoria and nausea, seizures, bouts of physical rigidity followed by convulsions and unconsciousness, breathing difficulties, damage to the lungs and the heart, and death.

Native Lifeforms

Skyr-Jerune System

Jerune, 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.

The radworld lying in orbital position (V) (within the habitable zone) has primitive native life, consisting of complex extremophile radiation-tolerant organisms that can be found in every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

The cold marginally hospitable world lying in orbital position (VI) (within the H+ region of the outer system) has primitive native life, consisting almost entirely of microscopic cyanobacteria-parallels that exist in most ecological niches. Their metabolic functions maintain the process of atmospheric renewal.

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

History & Background (Dossier)

No information yet available.

World starport

Jerune 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

Jerune possesses a Technology Level of TL–5.

World government

Jerune has a Participatory Democracy government.

  • It is a government by advice and consent of the citizen.
  • The typical power source of this government is an Democracy.
  • The typical power structure of this government is a Unitary State.

World military

No information yet available.

World economy

No information yet available.

Trade data

No information yet available.

World demographics

No information yet available.

World culture

No information yet available.

Historical data

No information yet available.

World timeline

No information yet available.

UWP listing

No information yet available.

References & Contributors / Sources

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