Mustrak (world)

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

Mustrak/Velous (Far Home 1514)
Classic Era (1115)
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size4 Small (6,400 km, 0.32g - 0.46g)
Atmosphere5 Thin
Hydrographics6 Wet World 60%
Population5 Moderate (400 thousand)
Government5 Feudal Technocracy
Law3 Low Law (no automatic weapons)
Tech Level3 Pre-Industrial (basic science)
See also UWP
System Details
Primary F6 V D
Planetoid Belts 0
Gas Giants 3
Jump map from [1]

Mustrak is an agricultural, nonindustrial world still lacking adequate means to expand its economy.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Mustrak Binary Star System
Star Name Hierarchy Color Classification Remarks
Mustrak Primary Primary Yellow-White F6 V
Mustrak Companion Secondary White Dwarf D 2840 AU from primary

System Data[edit]

Zibethi-Mustrak System[edit]

The primary is Zibethi, an ordinary white main sequence star. It has a luminosity of 3.042 Sols, a mass of 1.248 Sols, and a diameter of 1.845 million km. The inner system consists of a vacuum inner world, (II) a trace atmosphere inner world, (III) a corrosive atmosphere inferno world, (IV) an exotic atmosphere hospitable world – orbital position (I) is empty. (V) Mustrak orbits within the habitable zone and is designated the mainworld. (VI) a very thin atmosphere hospitable world, (VII) a large gas giant, (VIII) a ringed large gas giant, and (IX) a small gas giant form the outer system. Many of the worlds retain satellites.

Ondat Subsystem[edit]

The companion is Ondat, a dwarf star that lies at a mean distance of 2,840 AU from Zibethi. It has a luminosity of 0.00003 Sols, a mass of 1.11 Sols, and a diameter of 8,450 km. It does not retain a planetary system.

Mainworld Data[edit]

(V) Mustrak is designated the mainworld. It orbits Zibethi at a mean distance of 1.56 AU (233.4 million km), within the habitable zone. It has an orbital period of 1 year 272 days and a rotation period of 31.6 hours. The axial tilt is 22 degrees. Mustrak has a diameter of 7,122 km, a density of 5.88 g/cm³, and a surface gravity of 0.59 G. The world is geologically active. Its atmosphere is rated as Thin, with a mean surface pressure of 0.62 bar and a composition of 80% nitrogen (N2), 19% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. Approximately 63% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.45m. Mean surface temperature: 27°C. The climate is rated as Temperate-Warm and experiences moderate seasonal changes during the local year.


Mustrak retains a single natural satellite, a trace atmosphere worldlet named Eberon:

(VIa) Eberon (UWP Y100000-0, orbiting at 25 Diameters/175,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 159 million km², Water surface area: 100 million km², Land surface area: 59 million km².

Native Lifeforms[edit]

Zibethi-Mustrak System[edit]

Mustrak, the mainworld, has extensive native life, consisting of microscopic organisms, stromatolite-parallels and primitive flora that can be found in almost every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

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

Ondat Subsystem[edit]

Ondat does not retain a planetary system and has no life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Mustrak 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]

Mustrak possesses a Technology Level of TL–3.

World government[edit]

Mustrak 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]

  • Resources: 5 (Scarce)
  • Labor: 4 (Tens of thousands)
  • Infrastructure: 2 (Extremely limited)
  • Efficiency: +2 (Good)

Trade Data[edit]

Resource Units: 80

World Demographics[edit]

Population 412,000

World Culture[edit]

  • Homogeneity: 5 (Harmonious)
  • Acceptance: 3 (Xenophobic)
  • Strangeness: 5 (Distinct)
  • Symbols: 1 (Extremely concrete)

Historical data[edit]

No information yet available.

World Timeline[edit]

UWP Listing[edit]

No information yet available.

References & Contributors / Sources[edit]

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  1. "Jump Map API" and map location from