Mass (kg) | 1.02 x 10^{26} |
Diameter (km) | 49528 |
Mean density (kg/m^{3}) | 1640 |
Escape velocity (m/s) | 23300 |
Average distance from Sun | 30.07 AU (4,498,252,900 km) |
Rotation period (length of day in Earth days) | 0.67 (16.1 hours) |
Revolution period (length of year in Earth days) | 60,190 (164.8 Earth years) |
Obliquity (tilt of axis degrees) | 29.6 |
Orbit inclination (degrees) | 1.77 |
Orbit eccentricity (deviation from circular) | 0.009 |
Mean temperature (K) | 48 |
Visual geometric albedo (reflectivity) | 0.51 |
Atmospheric components | 74% hydrogen, 25% helium, 1% methane (at depth) |
Rings | Rings are narrow, and contain
concentrations of particles called ring arcs. |