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.