Oom (world)

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

Oom/Alasim (Halcyon 0635)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size2 Small (3,200 km, 0.10g - 0.17g)
Atmosphere0 Vacuum
Hydrographics0 Desert World 0%
Population3 Low (2 thousand)
Government5 Feudal Technocracy
Law5 Moderate Law (no concealable weapons)
Tech LevelA Early Stellar (jump drive)
See also UWP
System Details
Primary M8 V M7 VI M9 VI
Planetoid Belts 2
Gas Giants 4
Jump map from Travellermap.com [1]

Oom is a low-population vacuum world, with a population of less than 10,000 sophonts in population size, warranting hazardous environment precautions.

  • Life in a vacuum requires great discipline. After all, it only takes one forgotten seal on a vacuum suit to spell death. Those who survive tend to be very methodically-minded and attentive to small detail.
  • It is a member of the Bright Conclave in the Alasim Subsector of Halcyon Sector, which is part of the Distant Fringe.

Astrography and Planetology[edit]

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

Trinary Solar System[edit]

Oom Trinary Star System
Star Name Hierarchy Color Classification Remarks
Oom Primary Primary Red M8 V None
Oom Companion Secondary Red M7 VI 82.2 AU from primary
Oom Far Companion Tertiary Red M9 VI 615.5 AU from primary

System Data[edit]

Onnek-Oom System[edit]

The primary is Onnek, a dim red main sequence star. It has a luminosity of 0.0025 Sols, a mass of 0.244 Sols, and a diameter of 334,000 km. (I) a very thin atmosphere inner world, (II) a trace atmosphere worldlet, (III) an exotic atmosphere radworld, (IV) a ringed large gas giant, (V) Otoch, a large gas giant: (Vc) Oom is its second moon and is designated the mainworld, and (VI) a vacuum iceworld form the outer system. Many of the worlds retain satellites.

Luyt Subsystem[edit]

The companion is Luyt, a dim red subdwarf star that orbits Onnek at 82.2 AU (orbital position (XI), 12.3 billion km). It has a luminosity of 0.00103 Sols, a mass of 0.081 Sols, and a diameter of 109,000 km. (I) a vacuum inner world, (II) a sparse icy planetoid belt, (III) a small gas giant, and (IV) a vacuum iceworld form the outer system. Many of the worlds retain satellites.

Boram Subsystem[edit]

The far companion is Boram, a dim red subdwarf star that orbits Onnek at 615.5 AU (orbital position (XIV), 92.1 billion km). It has a luminosity of 0.00006 Sols, a mass of 0.058 Sols, and a diameter of 73,700 km. (I) a vacuum worldlet, (II) a trace atmosphere iceworld, (III) a sparse icy planetoid belt, (IV) a large gas giant, and (V) an exotic atmosphere stormworld form the outer system. Many of the worlds retain satellites.

(V) Otoch[edit]

(V) Otoch is a large gas giant that orbits Onnek at a mean distance of 1.19 AU (178 million km), within the outer system, and has an orbital period of 2 years 229 days. It has a diameter of 124,000 km and has an atmosphere consisting of 94% hydrogen (H2), 6% helium (He), and less than 1% methane (CH4), carbon monoxide (CO), ammonia (NH3), water vapor (H2O) and other trace gases. It is a banded brown-tan color with powerful storms concentrated within the polar regions. It retains a family of three major satellites.


Otoch retains three major satellites:

(Va) Oom (designated the mainworld, orbiting at 5 Diameters/620,000 km)
(Vb) Musto (UWP Y101000-0, orbiting at 11 Diameters/1.36 million km)
(Vc) Gask (UWP Y310000-0, orbiting at 13 Diameters/1.61 million km)

Mainworld Data[edit]

(Va) Oom[edit]

(Va) Oom is the inner of the three major moons of (V) Otoch and is designated the mainworld. It orbits its parent world at a mean distance of 5 diameters (620,000 km), with an orbital period of 38 days 20 hours: it is tidally locked to Otoch. The axial tilt is 8 degrees relative to Otoch. Oom has a diameter of 2,776 km, a density of 6.88 g/cm³ and a surface gravity of 0.27 G. Tidal stresses generated by the gravitational pull of Otoch cause near continuous geological activity. Oom's atmosphere is rated as Vacuum. The world has no hydrosphere. Mean surface temperature: -130°C.

Mainworld Geography and Topography[edit]

Total surface area: 24 million km².

Native Lifeforms[edit]

Onnek-Oom System[edit]

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

Luyt Subsystem[edit]

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

Boram Subsystem[edit]

The large gas giant lying in orbital position (IV) (within the outer system) has jovionoid lifeforms within its atmosphere.

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Oom 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]

Oom possesses a Technology Level of TL–10 or TL-A in Hexadecimal Notation.

World government[edit]

Oom 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]

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 Travellermap.com