Uranus III
Discovered by .............................. William Herschel Date of discovery ...................................... 1787 Mass (kg) .......................................... 3.49e+21 Mass (Earth = 1) ................................. 5.8400e-04 Equatorial radius (km) ................................ 788.9 Equatorial radius (Earth = 1) .................... 1.2369e-01 Mean density (gm/cm^3) ................................. 1.70 Mean distance from Uranus (km) ...................... 435,840 Rotational period (days) ........................... 8.705872 Orbital period (days) .............................. 8.705872 Mean orbital velocity (km/sec) ......................... 3.65 Orbital eccentricity ................................. 0.0022 Orbital inclination .................................... 0.14° Escape velocity (km/sec) .............................. 0.768 Visual geometric albedo ................................ 0.27 Magnitude (Vo) ........................................ 13.73