| Physics | | Type | Standard iron/silicate | | Radius | 5993.13 km (0.94 x earth) | | Surface Area | 4.51 x 108 km2 | | Land Area | 1.90 x 108 km2 (1.27 x earth) | | Mass | 5.05 x 1024 kg (0.85 x earth) | | Density | 5.60 g/cm3 (1.02 x earth) | | Composition | 42.3% iron, 23.3% oxygen, 22.1% silicon, 6.1% nickel, 5.8% other metals, 0.4% other elements |
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| Gravimetry | | Gravity | 9.34 m/s2 (0.96 x earth) | | Escape Velocity | 10.58 km/s |
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| Rotation | | Period | 36.55 hours | | Axis Tilt | 44.96 ° |
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| Hydrosphere | |
| Atmosphere | | Type | Dense reducing | | Pressure | 166.00 kPa (1.64 x earth) | | Composition | 65.9% argon, 21.1% methane, 12.7% carbon dioxide, 0.3% nitrogen, trace other gases |
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| Climate | | Type | Cold | | Min Temp | 236 K (-36 °C) | | Avg Temp | 283 K (10 °C) | | Max Temp | 291 K (18 °C) |
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| Special | | Features | Electromagnetic storms |
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