PLANETARY DATA: SATURN |
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Orbital semi-major axis | 9.54 A.U. 1427.0 million km |
Orbital eccentricity | 0.054 |
Perihelion | 9.02 A.U. 1349 million km |
Aphelion | 10.05 A.U. 1504 million km |
Mean orbital speed | 9.65 km/s |
Sidereal orbital period | 29.42 tropical years |
Synodic orbital period | 378.09 solar days |
Orbital inclination to the ecliptic | 2.49° |
Greatest angular diameter, as seen from Earth | 21" |
Mass | 5.681026 kg 95.16 (Earth = 1) |
Equatorial radius | 60,268 km 9.45 (Earth = 1) |
Mean density | 687 kg/m3 0.125 (Earth = 1) |
Surface gravity | 10.5 m/s2 1.07 (Earth = 1) |
Escape speed | 35.5 km/s |
Sidereal rotation period | 0.43 solar days |
Axial tilt | 26.73° |
Surface magnetic field | 0.67 (Earth = 1) |
Magnetic axis tilt relative to rotation axis | 0.8° |
Surface temperature | 97 K (at cloudtops) |
Number of moons | 18 |