Details : Item 214
| Mom | Son | Bird | Cat | Daughter | Dad | Dog | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Terrestrial planets |  |  |  |  |  |  |  | ||||
| Gas giants |  |  |  |  |  |  |  | ||||
| Gas giants 2 |  |  |  |  |  |  |  | ||||
| Ice giants |  |  |  |  |  |  |  | ||||
| Dwarf planets |  |  |  |  |  |  |  | ||||
| Others |  |  |  |  |  |  |  | ||||
 | |||||||||||
| Famille : Dwarf planets/Bird |
|---|
|
| Eris |
| Dwarf planet Because Eris appeared to be larger than Pluto, NASA initially described it as the Solar System s tenth planet Since August 24, 2006, Eris is considered a dwarf planet. |
| Properties | |
|---|---|
| Albedo | 0.96 |
| Radius (km) | 1,163 |
| Mass (kg) | 1.66x10+22 |
| Density (g/cm3) | 2.52 |
| Gravity (m/s2) | 0.659 |
| Orbital period (days) | 203,830 |
| Orbital speed (km/s) | 3.434 |
| Temperature (K) | 42.5 |
| Discovery date | 2005 (M. E. Brown) |