Saturn I
| Mimas Statistics | |
|---|---|
| Discovered by | William Herschel |
| Date of discovery | 1789 |
| Mass (kg) | 3.80e+19 |
| Mass (Earth = 1) | 6.3588e-06 |
| Equatorial radius (km) | 196 |
| Equatorial radius (Earth = 1) | 3.0731e-02 |
| Mean density (gm/cm^3) | 1.17 |
| Mean distance from Saturn (km) | 185,520 |
| Rotational period (days) | 0.942422 |
| Orbital period (days) | 0.942422 |
| Mean orbital velocity (km/sec) | 14.32 |
| Orbital eccentricity | 0.0202 |
| Orbital inclination (degrees) | 1.53 |
| Escape velocity (km/sec) | 0.161 |
| Visual geometric albedo | 0.5 |
| Magnitude (Vo) | 12.9 |
| Mean surface temperature | -200°C |