Gevel (world)

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

Gevel/Liradi (Gulf 0404)
Classic Era (1115)
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size7 Medium (11,200 km, 0.70g - 0.94g)
Atmosphere6 Standard
Hydrographics6 Wet World 60%
Population5 Moderate (200 thousand)
Government3 Self-Perpetuating Oligarchy
Law5 Moderate Law (no concealable weapons)
Tech Level5 Industrial (mass production)
See also UWP
System Details
Primary F9 V
Planetoid Belts 1
Gas Giants 2
Jump map from [1]

Gevel is an agricultural, nonindustrial, pre-rich garden world with a near-ideal, utopian environment conducive to most sophonts, but still lacks an adequate population to expand its economy to a rich status.

  • As an agricultural world, this world is a near-ideal environment for producing quality foodstuffs of plant, animal, and other forms. Quality foodstuffs are a major export commodity for this world.
  • It requires extensive imports of outside technology to maintain a modern, star-faring society. Having to import most manufactured and high tech goods drives the price up for these items at this world.
  • Its economy and population are rapidly growing and living conditions are expected to quickly rise barring outside forces.
  • This a "low technology" world with technology competency well below technology standards for Charted Space.
  • This is a temperate world, with a climate of pleasant, average temperatures, considered to be an ideal or near-ideal environment by many different sophont species.
  • It is a Non-Aligned world dominated by human sophonts located in the Liradi Subsector of Gulf Sector.

Astrography and Planetology[edit]

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

Monostellar System[edit]

Gevel Monostellar System
Star Name Hierarchy Color Classification Remarks
Gevel Primary Yellow-White F9 V None

System Data[edit]

Malaset-Gevel System[edit]

The system primary is Malaset, an ordinary yellow-white main sequence star. It has a luminosity of 1.667 Sols, a mass of 1.091 Sols and a diameter of 1.535 million km. The inner system consists of (I) a vacuum worldlet, (II) a vacuum worldlet, and (III) an exotic atmosphere radworld. (IV) Gevel orbits within the habitable zone and is designated the mainworld. (V) a small gas giant, (VI) a sparse stony planetoid belt, (VII) a large gas giant, (VIII) a trace atmosphere iceworld, (IX) a vacuum iceworld, and (X) an exotic atmosphere bigworld form the outer system. Many of the worlds retain satellites.

Mainworld Data[edit]

(IV) Gevel[edit]

(IV) Gevel is designated the mainworld. It orbits Malaset at a mean distance of 1.06 AU (159 million km), within the habitable zone. It has an orbital period of 381 days 15 hours and a rotation period of 22.5 hours. The axial tilt is 15 degrees. Gevel has a diameter of 11,002 km, a density of 5.66 g/cm³, and a surface gravity of 0.88 G. Tidal stresses generated by the gravitational pull of its two close moons cause regular geological activity. Its atmosphere is rated as Standard, with a mean surface pressure of 0.92 bar and a composition of 77% nitrogen (N2), 21% oxygen (O2), 1% argon (Ar), and 1% water vapor (H2O), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. Approximately 64% of the surface is covered in oceans of liquid water: average tidal ranges exceed 0.4m. Mean surface temperature: 15°C. The climate is rated as Temperate-Prime and experiences moderate seasonal changes during the local year. The atmosphere is dynamic and powerful weather systems, driven by the star and the oceans, sweep across the globe.


Gevel retains two natural satellites, a vacuum worldlet named Asta and a heavily cratered vacuum worldlet named Bester:

(IVa) Asta (UWP Y100000-0, orbiting at 7 diameters/75,000 km)
(IVb) Bester (UWP Y200000-0, orbiting at 8 diameters/85,000 km)

Mainworld Atmosphere[edit]

Gevel has a pressure of 0.71 to 1.49 atmospheres.

Mainworld Geography and Topography[edit]

Total surface area: 381 million km², Water surface area: 244 million km², Land surface area: 137 million km².

Native Lifeforms[edit]

Malaset-Gevel System[edit]

Gevel, the mainworld, has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Flora grows in profusion and tends towards tall bundles of stems bound together with runners, with large flat leaves predominantly of a pale green colour. Their metabolic functions drive the process of atmospheric renewal. Most fauna tend to follow the body pattern Bilateral HS-TB-LN-LN-T, with skeletal interiors, blood fluids and leathery hides. Apex organisms are generally gigantic, massing tens of tons.

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Gevel 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]

Gevel 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]

Gevel has a Self-Perpetuating Oligarchy government.

  • It is a government by a restricted minority, with little or no input from the masses.
  • 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]

  • Resources: A (Abundant)
  • Labor: 4 (Tens of thousands)
  • Infrastructure: 4 (Very limited)
  • Efficiency: +3 (Improved)

Trade Data[edit]

No information yet available.

World Demographics[edit]

Population: 197,000

World Culture[edit]

  • Homogeneity: 7 (Discordant)
  • Acceptance: 3 (Xenophobic)
  • Strangeness: 5 (Distinct)
  • Symbols: 4 (Concrete)

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