Mass 4.9e+24 kg
Equatorial radius 6,051.8 km
Mean density 5.3 gm/cm^3
Mean distance from the Sun 108,200,000 km
Rotational period -243.02 days
Orbital period 224.70 days
Tilt of axis 177.00 degrees
Equatorial surface gravity 8.9 m/sec^2
Mean surface temperature 482°C
Maximum surface temperature 427°C
Minimum surface temperature -173°C
Atmospheric composition: Carbon Dioxide 96%
Atmospheric composition : Nitrogen 3+%
Atmospheric composition:
traces of:
Sulfur dioxide, water vapor, carbon monoxide, argon, helium, neon, hydrogen
chloride, and hydrogen fluoride.