Betrix (world)

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

Betrix/Velous (Far Home 1214)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size2 Small (3,200 km, 0.10g - 0.17g)
Atmosphere0 Vacuum
Hydrographics2 Dry World 20%
Population4 Moderate (30 thousand)
Government3 Self-Perpetuating Oligarchy
Law4 Moderate Law (no light assault weapons)
Tech Level9 Early Stellar (fusion)
See also UWP
System Details
Primary D D
Planetoid Belts 2
Gas Giants 4
Jump map from [1]

Betrix is an icy, nonindustrial vacuum world, warranting hazardous environment precautions.

  • Its surface is ice-capped with little or no atmosphere and nearly all of its water frozen.
  • It requires extensive imports of outside technology to maintain a modern, star-faring society.
  • It is a Non-Aligned world dominated by human sophonts located in the Velous Subsector of Far Home Sector.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Betrix Binary Star System
Star Name Hierarchy Color Classification Remarks
Betrix Primary Primary White Dwarf D
Betrix Companion Secondary White Dwarf D 17170 AU from primary

System Data[edit]

Aleph-Betrix System[edit]

The primary is Aleph, a tiny dwarf star. It has a luminosity of 0.00003 Sols, a mass of 1.11 Sols, and a diameter of 8,450 km. (I) a vacuum worldlet (II) a sparse icy planetoid belt, (III) Tertion, a ringed small gas giant: Betrix is its only satellite, and (IV) a small ice giant form the outer system. Only the gas giants retain satellites.

Omigus Subsystem[edit]

The companion is Omigus, a tiny dwarf star lying approximately 17,170 AU from Aleph. It has a luminosity of 0.00003 Sols, a mass of 1.11 Sols, and a diameter of 8,420 km. (I) a sparse icy planetoid belt, (II-I) a small gas giant, (II-II) a small ice giant, and (III) a vacuum iceworld form the outer system. Only the gas giants retain satellites.

(III) Tertion[edit]

(III) Tertion is a ringed small gas giant that orbits Aleph at a mean distance of 0.73 AU (109.2 million km), within the outer system, and has an orbital period of 216 days 5 hours. It has a diameter of 22,000 km and an atmosphere consisting of 93% hydrogen (H2), 7% helium (He), and less than 1% methane (CH4), carbon monoxide (CO), ammonia (NH3), water vapor (H2O) and other trace gases. It is a mottled pale blue color streaked with narrow white clouds. It retains a single major satellite.


Tertion retains a narrow dark ring system and one major satellite:

(IIIr) Ring System (UWP YR00000-0, extending to 1 Diameter/25,000 km)
(IIIa) Betrix (designated the mainworld, orbiting at 6 Diameters/135,000 km)

Mainworld Data[edit]

(IIIa) Betrix[edit]

(IIIa) Betrix is the only major moon of (III) Tertion and is designated the mainworld. It orbits its parent world at a mean distance of 6 diameters (135,000 km), with an orbital period of 9 days 9 hours: it is tidally locked to Tertion. The axial tilt is 4 degrees relative to Tertion. Betrix has a diameter of 2,951 km, a density of 5.88 g/cm³ and a surface gravity of 0.22 G. Tidal stresses generated by the gravitational pull of Tertion cause frequent geological activity. The atmosphere is rated as Vacuum. Around 16% of the surface is covered in sheets of crystalline water-ice. Mean surface temperature: -233°C.

Mainworld Geography and Topography[edit]

Total surface area: 27.3 million km², Land surface area: 22.9 million km², Water surface area: 4.4 million km².

Native Lifeforms[edit]

Aleph-Betrix System[edit]

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

Omigus Subsystem[edit]

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Betrix has a routine quality starport.

  • A Class-C Starport Facility has minimal if any shipyards and can only perform extremely limited repair work.
  • This facility has many very skilled personnel who can perform surprisingly sophisticated repair work despite the limited facilities.
  • This facility has refueling infrastructure and limited refining capabilities. One may purchase unrefined fuel here.
  • Starports of this class rarely have both a Lowport and a Highport.

World technology level[edit]

Betrix possesses a Technology Level of TL–9.

  • Common Communication technologies for this TL include: Fiber optics and satellite communication and data networks.
  • Common Power Generation technologies for this TL include: Early fusion power.
  • Common Transportation technologies for this TL include:
    • Land: Ultra high-speed trains and early grav vehicles.
    • Water: High efficiency sailcraft, multihulled seacraft, improved artificial gears.
    • Air: Tiltrotorcraft, exotic VTOL's, PARWIG, and rocket-assisted suborbitals.
    • Space: SSTO spacecraft, early military spacecraft, and interstellar STL starships
    • FTL: Prototype Jump Drive-1.

World government[edit]

Betrix 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]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

No information yet available.

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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This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises or by permission of the author.

  1. "Jump Map API" and map location from