|
Uranus
Planet ProfileMass (kg) 8.68 x 10^25 Diameter (km) 51118 Mean density (kg/m^3) 1290 Escape velocity (m/sec) 21300 Average distance from Sun (AU) 19.18 Rotation period (length of day in Earth hours) 17.9 Revolution period (length of year in Earth years) 84 Obliquity (tilt of axis in 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.
More information about Uranus can be found by clicking here.
11/2011 |
|