| Mass (kg) | 7.349e+22 |
| Mass (Earth = 1) | 1.2298e-02 |
| Equatorial radius (km) | 1,737.4 |
| Equatorial radius (Earth = 1) | 2.7241e-01 |
| Mean density (gm/cm^3) | 3.34 |
| Mean distance from Earth (km) | 384,400 |
| Rotational period (days) | 27.32166 |
| Orbital period (days) | 27.32166 |
| Mean orbital velocity (km/sec) | 1.03 |
| Orbital eccentricity | 0.05 |
| Tilt of axis | 6.68° |
| Orbital inclination | 18.3-28.6° |
| Equatorial surface gravity (m/sec^2) | 1.62 |
| Equatorial escape velocity (km/sec) | 2.38 |
| Visual geometric albedo | 0.12 |
| Magnitude (Vo) | -12.74 |
| Mean surface temperature (day) | 107°C |
| Mean surface temperature (night) | -153°C |
| Maximum surface temperature | 123°C |
| Minimum surface temperature | -233°C |
