| Albedo
|
0.34 +
|
| Apoapsis
|
197,515 km (0.00132 AU, 122,730.131 mi) +
|
| Axial tilt
|
0 rad (0 °, 0 grad) +
|
| Color
|
#995555 +
|
| Composition
|
Water ice and rock +
|
| Date of discovery
|
24 October 1851 +
|
| Discoverer
|
William Lassell +
|
| Escape speed
|
0.541 km/s (1,947.6 km/h, 0.336 mi/s, 1,210.183 mph) +
|
| Inclination
|
0.00541 rad (0.31 °, 0.344 grad) +
|
| Lunar mass
|
1.35e+21 kg (0.0184 M☾, 2.25904e-4 M⊕) +
|
| Lunar surface area
|
4,211,310 km² (1,625,995.881 mi², 0.111 A☾, 0.00826 A⊕) +
|
| Mean radius
|
578.9 km (359.712 mi) +
|
| Mean temperature
|
58 K (-215.15 °C, -355.27 °F, 104.4 °R) +
|
| Member of
|
Moon +,
Solar system +,
Major Moons of Uranus +
|
| Orbital eccentricity
|
0.0034 +
|
| Orbital speed
|
5.52 km/s (19,872 km/h, 3.43 mi/s, 12,347.888 mph) +
|
| Order
|
15 +
|
| Periapsis
|
184,525 km (0.00123 AU, 114,658.519 mi) +
|
| Planet density
|
1,670 kg/m³ (1.67 g/ml, 104.255 lb/ft³) +
|
| Primary
|
Uranus +
|
| Rotation speed
|
0.0167 km/s (60.12 km/h, 0.0104 mi/s, 37.357 mph) +
|
| Semi-major axis
|
191,020 km (0.00128 AU, 118,694.325 mi) +
|
| Sidereal day
|
60.489 h (2.52 da) +
|
| Sidereal period
|
2.52 da (0.0069 a) +
|
| Surface gravity
|
0.27 m/s² (0.886 ft/s², 0.0275 g) +
|
| Visiting mission
|
Voyager 2 +
|
| Categories |
Astronomy +,
Solar system +,
Moon +,
Uranus +
|
