Saturn III
| Tethys Statistics | |
|---|---|
| Discovered by | Giovanni Domenico Cassini |
| Date of discovery | 1684 |
| Mass (kg) | 7.55e+20 |
| Mass (Earth = 1) | 1.2634e-04 |
| Equatorial radius (km) | 530 |
| Equatorial radius (Earth = 1) | 8.3098e-02 |
| Mean density (gm/cm^3) | 1.21 |
| Mean distance from Saturn (km) | 294,660 |
| Rotational period (days) | 1.887802 |
| Orbital period (days) | 1.887802 |
| Mean orbital velocity (km/sec) | 11.36 |
| Orbital eccentricity | 0.0000 |
| Orbital inclination (degrees) | 1.09 |
| Escape velocity (km/sec) | 0.436 |
| Visual geometric albedo | 0.9 |
| Magnitude (Vo) | 10.2 |
| Mean surface temperature | -187°C |