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< back to Planets
The Planets: Planet Earth
Earth is the third of nine planets in our solar system and is our home.
| Earth Facts |
| Mass (kg) |
5.976e+24 |
| Radius (km) |
6,378.14 |
| Density (gm/cm3) |
5.515 |
| Distance from Sun (km) |
149,600,000 |
| Period of rotation (days) |
23.9345 |
| Period of orbit (days) |
365.256 |
| Orbital velocity (km/sec) |
29.79 |
| Eccentricity of orbit |
0.0167 |
| Tilt of axis (°) |
23.45 |
| Inclination of orbit (°) |
0.000 |
| surface gravity (m/sec2) |
9.78 |
| escape velocity (km/sec) |
11.18 |
| Visual albedo |
0.37 |
| Visual magnitude |
-1.9 |
| Atmosphere |
Nitrogen=77%
Oxygen=21% |
| Moons |
1 |
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