Astronomical specifications:
| Orbital characteristics: | |
| Distance from Sun | 149,597,890 km |
| Perihelion | 147.1 x (106 km) |
| Aphelion | 152.1 x (106 km) |
| Orbital Inclination | 0.0 deg |
| Orbital Eccentricity | 0.0167 |
| Orbital periode round Sun | 365.2 days |
| Orbital Speed | 29.78 km/s |
| Number of moons | 1 |
| Rings | No |
| Physical characteristics: | |
| Diameter | 12,756 km |
| Surface area | 510,000,000 km² |
| Volume | 1.083 x 1012 km³ |
| Mass | 5.9742 x 1024kg |
| Density | 5515 kg/cm³ |
| Equatorial gravity | 9.81 m/s² |
| Escape velocity | 11.18 km/s |
| Rotation period | 23.9 hours |
| Axial tilt | 23.44 deg |
| Surface temperature | 15 C (287 K) |
| Surface Pressure | 1 bars |
| Atmospheric composition | N2 O2 |
The Earth seen from Apollo 17