Orrigan (world)

Orrigan/Orrigan (Range 0903)
Classic Era (1116)	?78A???-? Starport ? Error in Starport Decode Size 7 Medium (11,200 km, 0.70g - 0.94g) Atmosphere 8 Dense Hydrographics A Water World 100% Population ? Error in Population Decode Government ? Error in Government Decode Law ? Error in Law Decode Tech Level ? Error in Tech Decode
See also	UWP
System Details
Primary	F2 V BD
Planetoid Belts	1
Gas Giants	0

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Jump map from Travellermap.com

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

• Its surface is 90% or more covered in an ocean of water.
• Any inhabitants of this world would need to live on the roughly 10% of exposed land mass, in underwater colonies, on city ships, or similar arrangements.
• This world could be populated if anyone had an inclination to do so...
• It is an unclaimed Non-Aligned world located in the Orrigan Subsector of Range Sector.

Description (Astrography & Planetology)

The Orrigan system was officially surveyed by the University of Tal Varisa Deep Sky Program.

• The results of the survey are available as the DSP Listing, a comprehensive star catalog first published in 5550AD.

Orrigan has a solitary primary star.

Orrigan
	Type	Category		Mass (Sol)	Temperature (K)	Luminosity
	F2 V	Main Sequence (Dwarf)		1.46	6750 - 6820	3.76041
	Unit	Diameter	Safe Distance	Habitable Zone	Jump Shadow	M-Drive Limit
	AU	0.0151	0.1608	1.73 - 3	1.51	15.1
	Orbit #	*	0	5	4	8
	Remarks		None

Orrigan Brown Dwarf

Star Name	Heirarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Orrigan	Companion	Brown Dwarf		0.07	2000-2500	0.00008
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.001	Surface	0.005 - 0.015	0.01	1
	Remarks
	L-Type Dwarf Star. 2100 AU distant (coincidental companion)

System Data

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

• The mainworld.
• x7 secondary rocky worlds.
• x1 planetoid belt.

Mainworld Data

Limited data is available about the body nominated as the mainworld. All of the data has been gathered over centuries of remote observation.

Mainworld Size (S)

This world is a Meso World between 10,400km and 12,000km in diameter. The world has a standard gravity between 0.7G and 0.9G. The horizon will appear about 4.7km away.

Mainworld Atmosphere (A)

This world has a pressure of 1.50 to 2.49 atmospheres. A Dense Atmosphere requires no survival gear although it may be hard on sophonts not accustomed to it.

Mainworld Hydrosphere (H)

This world has 95-100% of its surface covered by liquid water with only a few islands and archipelagos. Wilderness refueling is possible. Such worlds are Water Worlds or Ocean Worlds.

Satellites:

No information yet available.

Mainworld Geography and Topography

No information yet available.

Native Lifeforms

No information yet available.

History & Background (Dossier)

Detailed information about the astrographic and orbital aspects of the system became available following the publication of the DSP Listing.

World Starport (St)

The presence or nature of any port facilities within the Orrigan system are currently unknown.

Facilities

Port facilities within the system include:

• No information yet available.

World Technology Level (T)

The degree of technological advancement within the Orrigan system is currently unknown.

World Government (G)

The nature of the governing authority within the Orrigan system is currently unknown.

World Military

No information yet available.

World Law (L)

The status of local law within the Orrigan system is unknown.

World Economy

• Resources: Unknown
• Labor: Unknown
• Infrastructure: Unknown
• Efficiency: Unknown

Trade Data

No information yet available.

World Demographics (P)

The current population of the Orrigan system is unknown.

Urbanization

No information yet available.

World Culture

• Homogeneity: Unknown
• Acceptance: Unknown
• Strangeness: Unknown
• Symbols: Unknown

World Timeline

ca. 5550AD: Detailed information about the system is published in the DSP Listing.

UWP Listing

No information yet available.

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.

• Author & Contributor: Lord (Marquis) and Master Scout Emeritus Adie Alegoric Stewart of the IISS