Sepigen (world)

Sepigen/Olpinures (Theron 1016)
Classic Era (1116)	X439000-0 Starport X No Starport Size 4 Small (6,400 km, 0.32g - 0.46g) Atmosphere 3 Vacuum (very thin) Hydrographics 9 Wet World 90% Population 0 Barren (0) Government 0 No Government structure Law 0 No Law Tech Level 0 Pre-Industrial (primitive)
See also	UWP
System Details
Primary	M0 V
Planetoid Belts	0
Gas Giants	2

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Jump map from Travellermap.com

Sepigen is a barren world with no overt population, government, or law level.

• This world could be populated if anyone had an inclination to do so...
• It is an unclaimed Non-Aligned world located in the Olpinures Subsector of Theron Sector.

• This world is a "Twilight Zone World", a planet that is tidally-locked to its star. It has a hot side that permanently faces the star, a cold side that permanently faces away, and a narrow twilight zone in-between.

Description (Astrography & Planetology)

Stellar Data

Sepigen has a solitary primary star.

• It is a red main sequence.

Sepigen has a solitary primary star.

Primary
	Type	Category		Mass (Sol)	Temperature (K)	Luminosity
	M0 V	Main Sequence (Dwarf)		0.57	3770 - 3850	0.13982
	Unit	Diameter	Safe Distance	Habitable Zone	Jump Shadow	M-Drive Limit
	AU	0.0055	0.031	0.39 - 0.74	0.55	5.5
	Orbit #	*	*	2	1	6
	Remarks

System Data

The worlds of the system have been surveyed. They consist of:

• The mainworld.
• x6 secondary rocky worlds.
• x2 gas giants.

Mainworld Data

Sepigen is a Twilight Zone World.

• In the narrow region between permanent night and permanent day, the primary star eternally hangs on the horizon.

The mainworld orbits within the star's Habitable Zone.

• It lies within the zone's colder outer H- region.
• It receives relatively low levels of stellar energy.

Mainworld Size (S)

Sepigen is a Meso World between 5,600km and 7,200km in diameter. The world has low gravity between 0.32G and 0.46G. The horizon will appear about 3.6km away.

Mainworld Atmosphere (A)

Sepigen has a pressure of 0.10 to 0.42 atmospheres. The very thin pressures require a respirator or Oxygen Mask. TL–5 or more advanced survival gear is required to settle this world.

Mainworld Hydrosphere (H)

Sepigen has 85-95% of its surface covered by liquid water with a few small continents, and a number of islands and archipelagos. Dry land is limited. Wilderness refueling is possible.

• The world experiences low temperatures.
• Much of the surface is covered in pack ice, icebergs, and ice sheets.

Mainworld Geography and Topography

No centrally held map of the world exists within AAB Library Data records.

• Locally, detailed maps may be available.
• Verified updated charts are constantly sought.
• Detailed survey data commands premium prices.

(Placeholder chart, predominantly watery world.)

Native Lifeforms

Primitive native life occupying a number of ecological niches. Its metabolic functions drive the process of atmospheric renewal.

• Native life thrives in low temperatures.

History & Background (Dossier)

Sepigen is a frontier, a wild and lonely place that rarely sees visitors. Many of the planets and moons within it have ever have had an intelligent being visit them.

• Information about the system is limited.
• The resources of the system are largely untapped.

The system is unpopulated.

• Commercial traffic is extremely rare: the system sees very few visiting ships.
• Commo only picks up natural background noise and static.
• There are no active navigation beacons.

Note that social data, though only 40 years old, may be out of date: previously undocumented groups may now inhabit the system and maintain their own culture, forms of government, and systems of law.

• Verified updated data is constantly sought.

World Starport (St)

Sepigen does not have a starport. The Class X Starport is an indication that no starport exists in the system. There are no facilities or services available, and no site marked for landing.

World Demographics (P)

Sepigen is unpopulated.

Urbanization

None.

World Technology Level (T)

Sepigen possesses a Tech Level of TL–0.

• The world has no technological base.

World Government (G)

Sepigen has no government or ruling authority of any kind.

World Military

None.

World Law (L)

Sepigen has no law level. No laws of any kind are enforced.

World Economy

• Resources: 5 (scarce)
• Labor: 0 (unpopulated)
• Infrastructure: 0 (non-existent)
• Efficiency: -5 (extremely poor)

Trade Data

• Importance: -3 (very unimportant)

World Culture

• Homogeneity: 0 (none)
• Acceptance: 0 (none)
• Strangeness: 0 (none)
• Symbols: 0 (none)

World Timeline

• 300-420: the First Survey charts the system.
• 995-1065: the Second Survey charts the system.
• 1065: the Second Survey is published.

References & Contributors (Sources)

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Mongoose Publishing or by permission of the author. The page history lists all of the contributions.

• J. Andrew Keith, Marc Miller, John Harshman. Aslan (Game Designers Workshop, 1984), IBC. (sector named but no further data)
• Peter G. Celella, James Holden. Solomani & Aslan (Digest Group Publications, 1991), 50, 51. (sector named, dot map provided)
• Author & Contributor: Jo Grant of CORE (generated data)
• Author & Contributor: Lord (Marquis) and Master Scout Emeritus Adie Alegoric Stewart of the IISS