|Mass (kg)||8.68 x 1025|
|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,|
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.