| Albedo
|
0.43 +
|
| Apoapsis
|
1,071,792 km (0.00716 AU, 665,980.673 mi) +
|
| Axial tilt
|
0.00576 rad (0.33 °, 0.367 grad) +
|
| Color
|
#886655 +
|
| Composition
|
Rock and ice +
|
| Creation magnetic moment
|
3.49e+22 N-m/T +
|
| Date of discovery
|
7 January 1610 +
|
| Discoverer
|
Simon Marius +,
Galileo Galilei +
|
| Escape speed
|
2.742 km/s (9,869.4 km/h, 1.703 mi/s, 6,132.561 mph) +
|
| Inclination
|
0.0034 rad (0.195 °, 0.217 grad) +
|
| Lunar mass
|
1.48186e+23 kg (2.017 M☾, 0.0248 M⊕) +
|
| Lunar surface area
|
86,999,666 km² (33,590,758.835 mi², 2.294 A☾, 0.171 A⊕) +
|
| Magnetic decay time
|
1,099.06 a (401,431.665 da) +
|
| Magnetic half life
|
761.81 a (278,251.103 da) +
|
| Maximum temperature
|
152 K (-121.15 °C, -186.07 °F, 273.6 °R) +
|
| Mean radius
|
2,631.2 km (1,634.952 mi) +
|
| Mean temperature
|
110 K (-163.15 °C, -261.67 °F, 198 °R) +
|
| Member of
|
Galilean moon +,
Solar system +,
Moon +
|
| Minimum temperature
|
70 K (-203.15 °C, -333.67 °F, 126 °R) +
|
| Modification dateThis property is a special property in this wiki.
|
21 October 2010 21:36:10 +
|
| Name origin
|
son of Tros and cupbearer to Zeus +
|
| Orbital eccentricity
|
0.013 +
|
| Orbital speed
|
10.88 km/s (39,168 km/h, 6.761 mi/s, 24,337.867 mph) +
|
| Order
|
7 +
|
| Periapsis
|
1,069,008 km (0.00715 AU, 664,250.775 mi) +
|
| Planet density
|
1,942 kg/m³ (1.942 g/ml, 121.235 lb/ft³) +
|
| Present magnetic moment
|
1.31e+20 N-m/T +
|
| Primary
|
Jupiter +
|
| Rotation speed
|
0.0267 km/s (96.264 km/h, 0.0166 mi/s, 59.816 mph) +
|
| Semi-major axis
|
1,070,400 km (0.00716 AU, 665,115.724 mi) +
|
| Sidereal day
|
171.72 h (7.155 da) +
|
| Sidereal period
|
7.155 da (0.0196 a) +
|
| Surface gravity
|
1.428 m/s² (4.686 ft/s², 0.146 g) +
|
| Surface magnetic flux density
|
7.19e-7 T +
|
| Visiting mission
|
Galileo project +,
Voyager 2 +,
Voyager 1 +,
Pioneer 11 +,
Pioneer 10 +
|
| Categories |
Jupiter,
Moon,
Solar system,
Astronomy
|
