Castor (SR 2339) (world)

Castor/Gemini (Solomani Rim 2339)
Classic Era (1116)	A0009AB-C Starport A Excellent: Starship Construction, Overhaul, Refined fuel Size 0 Asteroid/Planetoid Belt Atmosphere 0 Vacuum Hydrographics 0 Desert World 0% Population 9 High (5 billion) Government A Charismatic Dictator Law B Extreme Law (control of movement) Tech Level C Average Stellar (robots)
See also	UWP
System Details
Primary	A1 V M5 V (A2 V M2 V) [M1 V M1 V]
Planetoid Belts	2
Gas Giants	0

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Castor (SR 2339)

• This is a "high technology" world with technology achievements at, near, or over technology standards for Charted Space.
• It is a member of the Solomani Confederation in the Gemini Subsector of Solomani Rim Sector.

Description (Astrography & Planetology)

The Castor asteroid belt is rich in metals, ices and simple organics.

• It has many large planetoids suitable for habitat construction.

Sextenary Solar System

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Castor (SR 2339) Sextenary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Castor (SR 2339) M8 V	Quaternary	Main Sequence		0.085	2420 - 2570	0.00018
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0005	0.0011	0.01 - 0.03	0.05	0.5
	Orbit #	*	*	*	*	1
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Castor (SR 2339) M8 V	Quinary	Main Sequence		0.085	2420 - 2570	0.00018
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0005	0.0011	0.01 - 0.03	0.05	0.5
	Orbit #	*	*	*	*	1
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Castor (SR 2339) BD	Quinary	Brown Dwarf		0.0276	950 - 1250	0
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.00092	0.00038	0 - 0.01	0.092	0.92
	Orbit #	*	*	*	*	3

Sextenary Star System

Castor is a sextenary (sextuple) star system, composed of a double close-binary (quaternary) system Castor AB, orbited by an additional far binary pair Castor C.

Quaternary Solar System

Castor AB Quaternary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor AB</big> A1 V	Primary	Main Sequence		2.05	8800 - 9300	12.33498
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0099	0.2913	3.33 - 5.78	0.99	9.9
	Orbit #	*	0	6	3	7
	Remarks
	'''Castor A'''a <small>(Alpha Geminorum Aa)</small>
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor AB</big> M5 V	Secondary	Main Sequence		0.162	2930 - 3060	0.00171
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0009	0.0034	0.04 - 0.09	0.09	0.9
	Orbit #	*	*	*	*	3
	Remarks
	'''Castor A'''b <small>(Alpha Geminorum Ab)</small>
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor AB</big> A2 V	Tertiary	Main Sequence		1.98	8600 - 8800	10.92265
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0098	0.2741	2.94 - 5.08	0.98	9.8
	Orbit #	*	0	6	3	7
	Remarks
	'''Castor B'''a <small>(Alpha Geminorum Ba)</small>
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor AB</big> M2 V	Quaternary	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
	Remarks
	'''Castor B'''b <small>(Alpha Geminorum Bb)</small>

Binary Solar System

Castor C Binary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor C</big> M1 V	Primary	Main Sequence		0.5	3620 - 3660	0.08839
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0023	0.0247	0.31 - 0.59	0.23	2.3
	Orbit #	*	*	1	0	5
	Remarks
	'''Castor C'''a <small>(YY Geminorum A)</small>
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
<big>Castor C</big> M1 V	Secondary	Main Sequence		0.5	3620 - 3660	0.08839
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0023	0.0247	0.31 - 0.59	0.23	2.3
	Orbit #	*	*	1	0	5
	Remarks
	'''Castor C'''b <small>(YY Geminorum B)</small>

IISS GURPS Astrographics Survey

2339 Castor (Solomani)

Starport: Class V.

Diameter: Asteroids. Gravity: N/A.
Atmosphere: None.
Hydrographics: None.
Climate: Very Cold.
Population: 5.7 billion.
Government: Dictator.
Control Level: 6.
Tech Level: 9.
World Trade Number: 5.5.

History & Background (Dossier)

Castor (SR 2339) is an important, high-population and industrial asteroid belt located in Gemini Subsector of the Solomani Rim.

• The system is a member of the Solomani Confederation.

References & Contributors / Sources

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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.

• Classic Traveller Solomani (Alien Module)
• GURPS Traveller: Rim of Fire
• Mongoose Traveller: Solomani Rim
• Author & Contributor: Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science