Uranus XI - 1986U2
Discovered by ..................................... Voyager 2 Date of discovery ...................................... 1986 Mass (kg) ................................................. ? Equatorial radius (km) ................................... 42 Equatorial radius (Earth = 1) .................... 6.5851e-03 Mean density (gm/cm^3) .................................... ? Mean distance from Uranus (km) ....................... 64,360 Rotational period (days) .................................. ? Orbital period (days) .............................. 0.493066 Mean orbital velocity (km/sec) ......................... 9.50 Orbital eccentricity .................................. 0.001 Orbital inclination .................................... 0.06° Visual geometric albedo ................................ 0.07 Magnitude (Vo) ......................................... 21.5