Saturn XVI - 1980S27
| Prometheus Statistics | |
|---|---|
| Discovered by | S. Collins & others |
| Date of discovery | 1980 |
| Mass (kg) | 2.7e+17* |
| Mass (Earth = 1) | 4.5181e-08 |
| Radius (km) | 72.5x42.5x32.5 |
| Radius (Earth = 1) | 1.1367e-02 |
| Mean density (gm/cm^3) | 0.7* |
| Mean distance from Saturn (km) | 139,350 |
| Rotational period (days) | ? |
| Orbital period (days) | 0.6130 |
| Mean orbital velocity (km/sec) | 16.54 |
| Orbital eccentricity | 0.003 |
| Orbital inclination (degrees) | 0.0 |
| Escape velocity (km/sec) | 0.0223 |
| Visual geometric albedo | 0.6 |
| Magnitude (Vo) | 15.8 |