| Mass (kg)
| 5.69 x 1026
|
| Diameter (km)
| 120660
|
| Mean density (kg/m3)
| 690
|
| Escape velocity (m/s)
| 35600
|
| Average distance from Sun
| 9.537 AU (1,426,725,400 km)
|
| Rotation period (length of day in Earth days)
| 0.44 (10.2 Earth hours)
|
| Revolution period (length of year in Earth years)
| 29.46
|
| Obliquity (tilt of axis degrees)
| 26.7
|
| Orbit inclination (degrees)
| 2.49
|
| Orbit eccentricity (deviation from circular)
| 0.056
|
| Mean temperature (K)
| 88 K (1 bar level)
|
| Visual geometric albedo (reflectivity)
| 0.46
|
| Atmospheric components
| 97% hydrogen,
3% helium,
.05% methane
|
| Rings
| Rings are
270,000 km in diameter,
but only a few hundred meters thick.
Particles are centimeters to decameters
in size and are ice (some may be covered
with ice); there are traces of silicate
and carbon minerals. There are four main
ring groups and three more faint, narrow
ring groups separated by gaps called divisions.
|
