Saturn XI - 1980S3
| Epimetheus Statistics | |
|---|---|
| Discovered by | R. Walker |
| Date of discovery | 1980 |
| Mass (kg) | 5.6e+17* |
| Mass (Earth = 1) | 9.3708e-08 |
| Radius (km) | 72x54x49 |
| Radius (Earth = 1) | 1.1289e-02 |
| Mean density (gm/cm^3) | 0.7* |
| Mean distance from Saturn (km) | 151,422 |
| Rotational period (days) | 0.6942 |
| Orbital period (days) | 0.6942 |
| Mean orbital velocity (km/sec) | 15.87 |
| Orbital eccentricity | 0.009 |
| Orbital inclination (degrees) | 0.34 |
| Escape velocity (km/sec) | 0.0322 |
| Visual geometric albedo | 0.8 |
| Magnitude (Vo) | 15.7 |