Eslar (world)

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

Eslar/Cradle (Halcyon 1209)
Classic Era (1115)
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size8 Large (12,800 km, 0.80g - 1.08g)
Atmosphere8 Dense
Hydrographics5 Wet World 50%
Population7 Moderate (20 million)
Government8 Civil Service Bureaucracy
Law8 High Law (controlled blades)
Tech Level5 Industrial (mass production)
See also UWP
System Details
Primary F4 V
Planetoid Belts 2
Gas Giants 4
Jump map from [1]

Eslar is a rich, agricultural garden world with a near-ideal, utopian environment conducive to most sophonts.

Astrography and Planetology[edit]

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

Monostellar System[edit]

Eslar Monostellar System
Star Name Hierarchy Color Classification Remarks
Eslar Primary Yellow-White F4 V

System Data[edit]

Katarin-Eslar Subsystem[edit]

The primary is Katarin, an ordinary yellow-white main sequence star. It has a luminosity of 4.42 Sols, a mass of 1.38 Sols, and a diameter of 2.031 million km. The inner system consists of (I) a vacuum worldlet, (II) a vacuum worldlet, (III) an exotic atmosphere stormworld, and (IV) a thin atmosphere hospitable world. (V) Eslar orbits within the habitable zone and is designated the mainworld. (VI) a sparse stony planetoid belt, (VII) a ringed large gas giant, (VIII) a large gas giant, (IX) a trace atmosphere iceworld, (X-I) a small gas giant, (X-II) a small ice giant, and (XI) a sparse icy planetoid belt form the outer system. Most of the worlds within the system retain satellites.

Mainworld Data[edit]

(V) Eslar[edit]

(V) Eslar is designated the mainworld. It orbits Katarin at a mean distance of 1.62 AU (242 million km), within the habitable zone. It has an orbital period of 1 year 276 days and a rotation period of 33.5 hours. The axial tilt is 30 degrees. Eslar has a diameter of 13,264 km, a density of 5.53 g/cm³, and a surface gravity of 1.04 G. The world is geologically active. Its atmosphere is rated as Dense, with a mean surface pressure of 2.1 bar and a composition of 77% nitrogen (N2), 22% oxygen (O2), and 1% argon (Ar), carbon dioxide (CO2), water vapor (H2O), neon and other trace gases. Approximately 48% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.5m. Mean surface temperature: 22°C. The atmosphere is dynamic and powerful weather systems, driven by the star and the seas, sweep across the globe. The climate is seasonal.

Mainworld Geography and Topography[edit]

Total surface area: 553 million km², Land surface area: 288 million km², Water surface area: 265 million km².

Native Lifeforms[edit]

Eslar, the mainworld, has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Their metabolic functions drive the process of atmospheric renewal. The local flora has a tendency towards dense tall stems and flat circular leaves: foliage is generally blue-green in colour. The majority of local fauna follows the body pattern Radial HS-TB-AL-LL-N, with exoskeletons and foam fluids: most are relatively small, massing no more than a few tens of kilograms. Most local lifeforms can be digested by humans without problems but taste bitter and have an unpleasant slimy texture.

History & Background (Dossier)[edit]

World starport[edit]

Eslar 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]

Eslar 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]

Eslar 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]

Local Defense Forces (approximately 110,000 personnel).

Unity of Sed militia forces (approximately 850,000 personnel).

World Economy[edit]

  • Homogeneity: 6 (Harmonious)
  • Acceptance: 7 (Aloof)
  • Strangeness: 9 (Extremely confusing)
  • Symbols: 8 (Somewhat abstract)

Trade Data[edit]

No information yet available.

World Demographics[edit]

Population 28,500,000

World Culture[edit]

  • Resources: 8 (Moderate)
  • Labor: 6 (Millions)
  • Infrastructure: 6 (Limited)
  • Efficiency: −4 (Very poor)

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