Details : Item 214
| Mom | Son | Bird | Cat | Daughter | Dad | Dog | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Terrestrial planets |  |  |  |  |  |  |  | ||||
| Gas giants |  |  |  |  |  |  |  | ||||
| Gas giants 2 |  |  |  |  |  |  |  | ||||
| Ice giants |  |  |  |  |  |  |  | ||||
| Dwarf planets |  |  |  |  |  |  |  | ||||
| Others |  |  |  |  |  |  |  | ||||
 | |||||||||||
| Famille : Gas giants 2/Cat |
|---|
|
| Tethys |
| Moon of Saturn Its surface is one of the most reflective in the Solar System. Its extremely water-ice-rich composition remains unexplained. |
| Properties | |
|---|---|
| Albedo | 1.229 |
| Radius (km) | 531.1 |
| Mass (kg) | 6.174x10+20 |
| Density (g/cm3) | 0.984 |
| Gravity (m/s2) | 0.146 |
| Orbital period (days) | 1.887 |
| Orbital speed (km/s) | 11.35 |
| Temperature (K) | 86 |
| Discovery date | 1684 (G. Cassini) |