| Average distance from the Sun | 5.2028 AU (7.783 x 108 km) |
| Eccentricity of orbit | 0.0484 |
| Maximum distance from the Sun | 5.455 AU (8.160 x 108 km) |
| Minimum distance from the Sun | 4.951 AU (7.406 x 108 km) |
| Inclination of orbit to ecliptic | 1º 18' 29'' |
| Average orbital velocity | 13.06 km/sec |
| Orbital period | 11.867 y (4334.3 days) |
| Period of rotation | 9 h 50 m 30 s |
| Inclination of equator to orbit | 3º 5' |
| Equatorial diameter | 142,900 km |
| Mass | 1.899 x 1027 kg |
| Average density | 1340 kg/m3 |
| Gravity at base of clouds | 2.54 earth gravities |
| Escape velocity | 61 km/sec |
| Temperature at cloud tops | 140 K (-200º F) |
| Atmosphere composition | 90% Hydrogen 10% Helium |
| Atmospheric pressure at cloud tops | 0.5 bar |
| Albedo | 0.51 |
| Oblateness | 0.0637 |