System Information
- Location: Beta Quadrant
- System Name: 40 Eridani (Omicron 2 Ceti)
- Type: Trinary
- Name of Primary: 40 Eridani A
- Spectral Class: K1 V
- Absolute Magnitude: 6.0
- Number of Planets: 3
- Number of Inhabited Planets: 1
- Other: Asteroid Belt
- I: Class B (geomorteus, like Mercury)
- II: Class M (Vulcan)
- III: Class G (T'Khut) (geocrystalline, ie Delta Vega)
- Name of Secondary: 40 Eridani B
- Spectral Class: A VII
- Absolute Magnitude: 11.2
- Number of Planets: 0
- Name of Secondary: 40 Eridani C
- Spectral Class: M4e V
- Absolute Magnitude: 12.3
- Number of Planets: 0
- Orbital Period: 248 years
- Other:
- planets II and III are in a Trojan orbit with each other
- planets I and II have no moons, planet III has 1
- secondary and tertiary stars are in Trojan orbit with each other, 44 AUs apart but 400 AUs from primary star
- asteroid belt located between III and the secondary/tertiary stars
Planetary Information
- Star: Vulcan (40 Eridani A)
- Planet:
- Class: M
- Official Name: Confederacy of Surak (founded 370 CE)
- Political System: United Federation of Planets (founding member, 2161 CE)
- Indigenous Government: Representative Oligarchy with Feudal and Theocratic elements
- Capitals: ShirKahr, Vulcana Regar
- Dominant Species: Vulcan
- Population: 4.9 billion
- Warp Capable: 320 CE
- Satellites: Vulcan has no moon
- Gravity: 1.4 G
- Year and Day: 250.1/27.6
- Atmosphere: Nitrogen-oxygen, with relatively high levels of argon, radon, and carbon dioxide. Atmospheric pressure rather lighter than Earth; Vulcan's air is thin.
- Hydrosphere: 28% surface water concentrated in two warm seas
- Climate: Arid and hot throughout with little seasonal variation; Vulcan is a desert planet
- Resources: Vulcan's main resource is its science, and to a lesser extent the products of its hereditary and traditional artistic schools. Both have made Vulcan culture one of the most influential throughout the Federation. Vulcan also produces rare minerals and ores, especially trillium.
- Ship Facilities: The main such facility is the Vulcan Space Center, although the cities of Vulcana Regar and Vulcinis both have spaceports and geosynchronous stations capable of spacedock service.
- Points of Interest: Vulcan Science Academy; Mount Seleya; Vulcan's Forge; Temple of Amonak; T'Karath Sanctuary; Fire Plains of Raal
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