Physical parameters
|
Radius:
|
1738 km |
|
|
|
Circumference:
|
10916 km |
|
|
|
Surface area:
|
3793×107 km2 |
|
|
|
Volume:
|
2196×1010 km3 |
|
|
|
Mass:
|
7.3477×1022 kg |
|
|
|
Density:
|
3346.4 kg/m3 |
|
|
|
Surface gravity:
|
1.62 m/s2 (0.1654 g) |
|
|
|
Escape velocity:
|
2.38 km/s |
|
|
|
Sidereal rotation period:
|
27.321 582 d (synchronous) |
|
|
|
Rotation velocity at equator:
|
4627 m/s |
|
|
|
Axial tilt:
|
1.5424° (to ecliptic) |
|
|
|
Albedo:
|
0.12 |
|
|
|
Surface temperature:
|
min |
mean |
max |
| - at equator |
100 K |
220 K |
390 K |
| - at 85°N |
70 K |
130 K |
230 K |
Orbital parameters
|
Perigee:
|
363,104 km |
|
Apogee:
|
405,696 km |
|
Semi-major axis:
|
384,399 km |
|
Orbital circumference:
|
2,413,402 km |
|
Orbit eccentricity:
|
0.0549 |
|
Sidereal month:
|
27.321 582 d |
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