Somem (world)

Somem/Rhylanor (Spinward Marches 3020) Milieu 1116 C301340-B Starport C Routine: No Construction, Major Repair, Unrefined fuel Size 3 Small (4,800 km, 0.24g - 0.34g) Atmosphere 0 Vacuum Hydrographics 1 Dry World 10% Population 3 Low (2 thousand) Government 4 Representative Democracy Law 0 No Law Tech Level B Average Stellar (large starships)
See also	UWP
style="width: 220px; height: 250px;" Jump map from Travellermap.com
System Details
Primary	M2 V M7 V
Worlds	14
Gas Giants	1
Planetoid Belts	0
Cultural Details
Government	Representative democracy
Law Level	No law
Cultural Extension	1316
Army Size (BEs)	0
Economic Details
Technology Level	11
Economic Extension	621-4 Resources 6 Few Labor 2 Low (200) Infrastructure 1 Extremely limited Efficiency -4 Very poor
Importance Extension	0
Resource Units	7
GWP (BCr)	0
World Trade Number	3
Trade Volume (MCr/year)	0
Starport Details
Classification	Class-C
Port Size	6
Building Capacity (Tons)	0
Port employees	7,000
Port passengers (annual)	0

Somem is an icy vacuum world with little or no atmosphere and a significant quantity of water frozen on the surface. The system supports a population of fewer than 10,000 sophonts. It is a member of Third Imperium in the Rhylanor Subsector of Spinward Marches Sector and in the Domain of Deneb. Somem, as a member world of the Third Imperium, holds the estate of an Imperial knight, a member of the Imperial Nobility charged with overseeing the world.

Astrography & Planetology

Somem is a member of the Spinward Main.

The mainworld is an ice-capped, vacuum planet renowned as a market world where almost anything can be traded.

Binary Solar System

Somem Binary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Somem M2 V	Primary	Main Sequence		0.44	3470 - 3560	0.0565
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0021	0.0197	0.25 - 0.48	0.21	2.1
	Orbit #	*	*	1	0	4
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Somem M7 V	Secondary	Main Sequence		0.09	2630 - 2680	0.00022
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0006	0.0012	0.02 - 0.03	0.06	0.6
	Orbit #	*	*	*	*	2

IISS GURPS Astrographics Survey

3020 Somem (Imperial)

Starport: Class III.

Diameter: 2,909 miles (4,700 km).
Atmosphere: None.
Hydrographics: 7%.
Climate: Normal.
Population: 7,000.
Government: Representative democracy.
Control Level: 0.
Tech Level: 10.
World Trade Number: 3.0.

History & Background (Dossier)

Somem is famous as a market world, where almost anything can be traded.

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.

• Marc Miller. The Spinward Marches (Game Designers Workshop, 1979), 30-31.
• Marc Miller. The Spinward Marches Campaign (Game Designers Workshop, 1985), 18-19.
• Marc Miller. Imperial Encyclopedia (Game Designers Workshop, 1987), 94-100. (UWP only)
• Rob Caswell. "Domain of Deneb: Sector Data." MegaTraveller Journal 3 (1992): 47-58. (UWP only)
• Dave Nilsen. The Regency Sourcebook (Game Designers Workshop, 1995), 43. (UWP only)
• Martin Dougherty, Neil Frier. Behind the Claw (Steve Jackson Games, 1998), 109.
• Mike West. The Spinward States (Avenger Enterprises, 2008), 104. (UWP only)
• Martin Dougherty. The Spinward Marches (Mongoose Publishing, 2008), .
• Martin Dougherty. Behind the Claw (Mongoose Publishing, 2019), 74-79. (UWP only)