| Mass (kg)
| 8.68 x 1025
|
| Diameter (km)
| 51118
|
| Mean density (kg/m3)
| 1290
|
| Escape velocity (m/s)
| 21300
|
| Average distance from Sun
| 19.19 AU (2,870,972,200 km)
|
| Rotation period (length of day in Earth days)
| 0.72 (17.9 Earth hours)(retrograde)
|
| Revolution period (length of year in Earth days)
| 30,685 (84 Earth years)
|
| Obliquity (tilt of axis degrees)
| 97.9
|
| Orbit inclination (degrees)
| 0.77
|
| Orbit eccentricity (deviation from circular)
| 0.047
|
| Mean temperature (K)
| 59
|
| Visual geometric albedo (reflectivity)
| 0.56
|
| Atmospheric components
| 83% hydrogen,
15% helium,
2% methane (at depth)
|
| Rings
| Uranus has a system of narrow, faint rings.
Ring particles are dark, and could
consist of rocky or carbonaceous material.
|