Vastur (world)

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

Vastur/Esqua (Far Home 1308)
Classic Era (1115)
StarportD Poor: No Construction, Minor Repair, Unrefined fuel
Size5 Medium (8,000 km, 0.40g - 0.57g)
Atmosphere7 Standard (tainted)
Hydrographics0 Desert World 0%
Population5 Moderate (900 thousand)
Government4 Representative Democracy
Law6 Moderate Law (no firearms except shotguns)
Tech Level2 Pre-Industrial (printing)
See also UWP
System Details
Primary F8 V M3 V
Planetoid Belts 1
Gas Giants 3
Jump map from [1]

Vastur is a nonindustrial desert hellworld with a population struggling to survive in an inhospitable environment.

  • Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants. Survivors often form intense survival skills and tend to be grim realists.
  • This world has no free-standing water.
  • 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.
  • This a "low technology" world with technology competency well below technology standards for Charted Space.
  • It is a Non-Aligned world dominated by human sophonts located in the Esqua Subsector of Far Home Sector.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Vastur Binary Star System
Star Name Hierarchy Color Classification Remarks
Vastur Primary Primary Yellow-White F8 V
Vastur Companion Secondary Red M3 V 23200 AU from primary

System Data[edit]

Silan-Vastur System[edit]

The primary is Silan, an ordinary yellow-white main sequence star. It has a luminosity of 2.126 Sols, a mass of 1.144 Sols, and a diameter of 1.639 million km. The inner system consists of (I) a trace atmosphere radworld, (II) an exotic atmosphere stormworld, and (III) a corrosive atmosphere inferno world. (IV-I) Vastur, designated the mainworld, and (IV-II) an exotic atmosphere hospitable world, have a shared orbit within the habitable zone. (V) a very thin atmosphere hospitable world, (VI) a sparse stony planetoid belt, (VII) a ringed large gas giant, and (VIII) a small gas giant form the outer system. Many of the worlds retain satellites.

Oslav Subsystem[edit]

The primary is an ordinary red main sequence star lying appproximately 23,200 AU from Silan. It has a luminosity of 0.0202 Sols, a mass of 0.3942 Sols, and a diameter of 604,000 km. (I) an exotic atmosphere bigworld, (II) a dense stony planetoid belt, and (III) a ringed small ice giant form the outer system. Only the gas giant retains satellites.

Mainworld Data[edit]

(IV-I) Vastur[edit]

(IV-I) Vastur is designated the mainworld. It orbits Silan at a mean distance of 0.89 AU (134.6 million km), within the habitable zone. It has an orbital period of 286 days 17 hours and a rotation period of 26 hours. The axial tilt is 24 degrees. Vastur has a diameter of 7,826 km, a density of 4.72 g/cm³, and a surface gravity of 0.52 G. The world is geologically active. Its atmosphere is rated as Standard, Tainted, with a mean surface pressure of 0.89 bar and a composition of 83% nitrogen (N2), 16% abiotic oxygen (O2), and 1% argon (Ar), carbon dioxide (CO2), ozone (O3), neon (Ne) and other trace gases. The taint is caused by the relatively low percentage of atmospheric oxygen, the lack of water vapor in the atmosphere, and large amounts of airborne silicates and dust. Vastur is a desert world: less than 0.1% of the surface is covered in lakes of liquid water. Mean surface temperature: 46°C. The climate is rated as Hot and experiences moderate seasonal changes during the local year. The atmosphere is dynamic and strong weather systems driven by the star sweep across the globe.


Vastur retains a single natural satellite, a cratered vacuum worldlet named Dulcina:

(IV-Ia) Dulcina (UWP Y100000-0, orbiting at 45 Diameters/350,000 km)

Mainworld Geography and Topography[edit]

Total surface area: 192 million km², Land surface area: 191.8 million km², Water surface area: 170,000 km².

  • The oxygen in the atmosphere is abiotic in origin, produced by the photocatalytic reaction between the [extremely] 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]

Silan-Vastur System[edit]

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

Oslav Subsystem[edit]

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Vastur 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]

Vastur possesses a Technology Level of TL–2.

World government[edit]

Vastur has a Representative Democracy government.

  • It is a government by elected representatives.
  • The typical power source of this government is a Republic.
  • 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]

Population: 900,000

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