| Average distance from the Sun | 1.5237 AU (2.279 x 108 km) |
| Eccentricity of orbit | 0.0934 |
| Maximum distance from the Sun | 1.6660 AU (2.492 x 108 km) |
| Minimum distance from the Sun | 1.3814 AU (2.066 x 108 km) |
| Inclination of orbit to ecliptic | 1º 51' 09'' |
| Average orbital velocity | 24.13 km/sec |
| Orbital period | 1.8808 y (686.95 days) |
| Period of rotation | 24 h 37 m 22.6 s |
| Inclination of equator to orbit | 23º 59' |
| Equatorial diameter | 6796 km |
| Mass | 6.424 x 1023 kg |
| Average density | 3940 kg/m3 (3300 kg/m3 uncompressed) |
| Surface gravity | 0.379 earth gravity |
| Escape velocity | 5.0 km/sec |
| Surface temperature | 130 to 300 K (-220º to 68º F) |
| Atmosphere composition | 95% Carbon dioxide 3% Nitrogen |
| Atmospheric pressure | 0.007 bars |
| Average albedo | 0.16 |
| Oblateness | 0.009 |