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Tartarus System (HM+31 5806)
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System Catalogue: HM+31 5806 (Tartarus)
Stars in System: 1
Distance from Gateway: 5.84 parsecs (19.04 light years)
Total System Population: 8630
Primary Allegiance: Ceres Metals Corporation
System Summary: The HM+31 5806 System is a single star system consisting of a main sequence yellow dwarf of spectral type G0 orbited by nine planets and one asteroid belt. The system has no habitable worlds.
Short Jump Map
Primary Star: HM+31 5806
Spectral Type: G0V
Mass: 1.08 Sol
Radius: 1.0635 Sol
Luminosity: 1.768 Sol
Absolute Magnitude: +4.15
System Age: 5.5 GY
Number of Worlds: 10; 1 Asteroid Belts, 6 Rocky Planets, 3 Gas Giants
Tartarus
Orbital Number: 8
Orbital Semi-Major Axis: 199,256,100 km (1.33 AU)
Orbital Eccentricity: 0.082
Orbital Inclination: 7.4º
Orbital Period: 128.05 Terran Years, 87634.22 Local Days
Orbital Velocity in Low Orbit: 14.320 km/sec
ΔV Required for Low Orbit: 32.85 km/sec (65 Fuel Points)
Axial Tilt: 12.6º
Rotation: 12.8 hours
Satellites: 3; 1 Planetoid, 1 Rocky World, 1 Space Station (Tartarus Above)
World Type: Metallic Core Rocky Planet
Climate Type: Jovian
Biosphere: None
Diameter: 19,206 km
Density: 7.95 g/cm3 (1.44 Earth)
Surface Gravity: 2.17 G (21.266 m/sec2)
Atmospheric Pressure (Sea Level): 16.23 Bar (16.01 PSIA)
Atmospheric Contents (Partial Pressures): Nitrogen 12.17 Bar, Carbon Dioxide 3.43 Bar, Helium 0.812 Bar, trace high altitude ice crystals
Hydrography: 15%
Mean Surface Temperature: 255ºK (-18ºC)
Population: 30 (average)
Colony Rating: Agricultural – G, Industrial – E, Technical – D
Tartarus is, much like its mythological namesake, a cold, dark, and hellish world. Its dense atmosphere of nitrogen, carbon dioxide, and helium, coupled with extensive vulcanism and very high surface gravity make it a most inhospitable place to live, and indeed, most of Ceres Metals Corporation's 8000+ employees and their dependents live in orbit. The value of Tartarus to Ceres Metals seems to be extensive and easily accessible rare earth and heavy metals, which are the company's primary exports. Iridium and Platinum are sold in modest quantities to Mercer Heavy Industries, the Sakura Consortium, and to the Jin Xian Development Corporation for the production of stardrives for new starship construction. Gold, Osmium, Hafnium, and Uranium are other valuable metals sold to industrial concerns. Due to the very harsh conditions on the surface, nearly all of the mining and survey operations are performed by robots or telepresence operated drones. A small maintenance and operational staff is all that is necessary to keep the mining network running, and non Giant or Jovian tweaks are frequently rotated up to orbit. Because of the world's high gravity and dense atmosphere, all lift to low orbit is accomplished by a powerful laser lift catapult system powered by dedicated fusion plants. The laser lift catapult can hoist up to fifty tons into low orbit at one time. Cargoes are then collected in orbit by small tugs and transferred to Tartarus Above, the massive Sagan orbital habitat that is Ceres Metals Corporation's headquarters.
