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/Cat |
|---|
|
| Ganymede |
| Moon of Jupiter The most massive planetary satellite. It is the only moon known to have a magnetosphere. |
| Properties | |
|---|---|
| Albedo | 0.43 |
| Radius (km) | 2634.1 |
| Mass (kg) | 1.481x10+23 |
| Density (g/cm3) | 1.936 |
| Gravity (m/s2) | 1.428 |
| Orbital period (days) | 7.155 |
| Orbital speed (km/s) | 10.880 |
| Temperature (K) | 110 |
| Discovery date | 1610 (G. Galileo) |