| Albedo
|
0.6 +
|
| Apoapsis
|
189,268 km (0.00127 AU, 117,605.683 mi) +
|
| Axial tilt
|
0 rad (0 °, 0 grad) +
|
| Color
|
#999999 +
|
| Composition
|
Water ice +
|
| Date of discovery
|
18 July 1789 +
|
| Discoverer
|
William Herschel +
|
| Escape speed
|
0.16 km/s (574.2 km/h, 0.0991 mi/s, 356.791 mph) +
|
| Inclination
|
0.0267 rad (1.53 °, 1.7 grad) +
|
| Lunar mass
|
3.79e+19 kg (5.157656e-4 M☾, 6.342045e-6 M⊕) +
|
| Lunar surface area
|
496,641 km² (191,754.162 mi², 0.0131 A☾, 9.736684e-4 A⊕) +
|
| Mean radius
|
198.8 km (123.529 mi) +
|
| Mean temperature
|
73 K (-200.15 °C, -328.27 °F, 131.4 °R) +
|
| Member of
|
Large moons of Saturn +,
Solar system +,
Moon +
|
| Modification dateThis property is a special property in this wiki.
|
3 July 2008 03:31:38 +
|
| Name origin
|
A giant killed in action by Hephaestus in the Titan-Olympian War +
|
| Orbital eccentricity
|
0.0202 +
|
| Orbital speed
|
14.32 km/s (51,552 km/h, 8.898 mi/s, 32,032.928 mph) +
|
| Order
|
8 +
|
| Periapsis
|
181,772 km (0.00122 AU, 112,947.884 mi) +
|
| Planet density
|
1,150 kg/m³ (1.15 g/ml, 71.792 lb/ft³) +
|
| Primary
|
Saturn +
|
| Rotation speed
|
0.0153 km/s (55.224 km/h, 0.00953 mi/s, 34.315 mph) +
|
| Semi-major axis
|
185,520 km (0.00124 AU, 115,276.784 mi) +
|
| Sidereal day
|
22.618 h (0.942 da) +
|
| Sidereal period
|
0.942 da (0.00258 a) +
|
| Surface gravity
|
0.064 m/s² (0.21 ft/s², 0.00653 g) +
|
| Visiting mission
|
Cassini-Huygens mission +,
Voyager 1 +
|
| Categories |
Saturn,
Moon,
Solar system,
Astronomy
|
