| mean distance to the sun | | 0.723 AU = 1.082 x 108 km |
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| mean orbital velocity | | 35 km/s |
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| length of year (siderieal period) | | 224.7 days |
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| rotation period | | -243.01 days |
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| length of day (surface) | | 116.8 days |
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| length of day (clouds, equator) | | ~ 4 days |
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| mass | | 81% (earth = 100%) = 4.87 x 1024 kg |
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| diameter | | 94.9% (earth = 100%) = 12 104 km |
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| density | | 90.3% (earth = 100%) = 5240 kg/m³ |
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| gravity (surface) | | 90.3% (earth = 100%) = 8.87 m/s² |
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| escape velocity | | 92.6% (earth = 100%) = 10.36 km/s |
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| albedo | | 0.65 |
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| temperature (surface) | | 464 °C = 737 K |
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| temperature (clouds) | | -63°C - +37°C = 200 K - 300 K |
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| atmospheric pressure (surface) | | 91.78 atm = 9.3 x 106 Pa |
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| atmospheric pressure (clouds) | | 0.05 - 1 atm |
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| angle - orbit / ecliptic (inclination) | | 3.394 71° |
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