Mar Coronis (world)

Mar Coronis/Stane (Astron 0339)
Classic Era (1116)	X56A000-0 Starport X No Starport Size 5 Medium (8,000 km, 0.40g - 0.57g) Atmosphere 6 Standard Hydrographics A Water World 100% 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	K4 V K4 V
Planetoid Belts	1
Gas Giants	4

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Jump map from Travellermap.com

Mar Coronis 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 Stane Subsector of Astron Sector.

• It is a main world which is a satellite of either a gas giant or another world.
• It is a balmy tropical world, with a climate of high temperatures.

Description (Astrography & Planetology)

Mar Coronis is a binary star system.

• Both are orange main sequence stars.

Binary Solar System

Mar Coronis Binary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Mar Coronis K4 V	Primary	Main Sequence		0.73	4440 - 4600	0.33238
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0033	0.0478	0.58 - 1.07	0.33	3.3
	Orbit #	*	*	2	1	5
	Remarks
	None
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Mar Coronis K4 V	Secondary	Main Sequence		0.73	4440 - 4600	0.33238
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0033	0.0478	0.58 - 1.07	0.33	3.3
	Orbit #	*	*	2	1	5
	Remarks
	None

System Data

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

• The mainworld.
• x5 secondary rocky worlds.
• x1 planetoid belt.
• x4 gas giants.

Mainworld Data

Mar Coronis is a satellite of a gas giant.

The mainworld and its gas giant primary orbit within the star's Habitable Zone.

• They lie within the zones prime H region.
• They receive moderate levels of stellar energy.
• The gas giant is "puffy", warm and swollen due to the energy it receives from the star.

• They orbit inside the stars Jump Shadow.

Mainworld Size (S)

Mar Coronis is a Meso World between 7,200km and 8,800km in diameter. The world has a standard gravity between 0.4G and 0.57G. The horizon will appear about 4km away.

Mainworld Atmosphere (A)

Mar Coronis has a pressure of 0.71 to 1.49 atmospheres. A Standard Atmosphere does not require survival gear and will likely be easy for most sophonts to breathe.

Mainworld Hydrosphere (H)

Mar Coronis 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.

• the vast oceans are storm-wracked and turbulent.
• The oceans experience extreme tides.

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

Abundant, diverse aquatic native life filling every available ecological niche. Its metabolic functions drive the process of atmospheric renewal.

History & Background (Dossier)

The system 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.

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)

Mar Coronis 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 Technology Level (T)

Mar Coronis possesses a Tech Level of TL–0.

• The world has no technological base.

World Government (G)

Mar Coronis has no government or ruling authority of any kind.

World Military

None.

World Law (L)

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

World Economy

• Resources: 8 (moderate)
• Labor: 0 (unpopulated)
• Infrastructure: 0 (non-existent)
• Efficiency: -5 (extremely poor)

Trade Data

• Importance: -3 (very unimportant)

World Demographics (P)

Mar Coronis is unpopulated.

Urbanization

None.

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 Far Future Enterprises or by permission of the author. The page history lists all of the contributions.

• Peter G. Celella, James Holden. Solomani & Aslan (Digest Group Publications, 1991), 50, 51. (Sector named, dot map provided locating world).
• Author & contributor: Jo Grant of CORE (generated data) / Geir Lanesskog (refinement of data).
• Author & Contributor: Lord (Marquis) and Master Scout Emeritus Adie Alegoric Stewart of the IISS