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Astronomy
Planets - Earth - Moon
Bulk Parameters
Orbital Parameters
| Bulk Parameters |
| Mass |
0.073 49 × 1024 kg |
| Volume |
2.197 3 × 1010 km3 |
| Equatorial Radius |
1738 km |
| Polar Radius |
1735 km |
| Volumetric Mean Radius |
1737.5 |
| Ellipticity |
0.002 |
| Mean Density |
3340 kg m-3 |
| Surface Gravity |
1.62 m s-2 |
| Escape Velocity |
2.38 km s-1 |
| GM |
0.004 9 × 106 km3 s-2 |
| Bond Albedo |
0.067 |
| Visual Geometric Albedo |
0.12 |
| Visual Magnitude (V1,0) |
+0.21 |
| Solar Irradiance |
1380 W m-2 |
| Black-Body Temperature |
274.5 K |
| Moment of Inertia |
0.394 I MR-2 |
| Topographic Range |
16 km |
| Orbital Parameters |
| Semimajor Axis |
0.3844 × 106 km |
| Perigee |
0.3633 × 106 km |
| Apogee |
0.4055 × 106 km |
| Revolution Period |
27.322 days |
| Synodic Period |
29.53 days |
| Mean Orbital Velocity |
1.023 km s-1 |
| Orbital Inclination |
5.145 ° |
| Orbital Eccentricity |
0.054 9 |
| Sidereal Rotation Period |
655.728 hours |
| Equatorial Inclination |
6.68 ° |
| Recession Rate from Earth |
3.8 cm yr-1 |
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