| Discovery [1][2] | |
|---|---|
| Discovery site | La Silla Obs. |
| Discovery date | 2 October 2010 (first observed only) |
| Designations | |
| 2010 TJ | |
| TNO [2] · SDO [3] | |
| Orbital characteristics [2] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter5 | |
| Observation arc | 2.28 yr (831 days) |
| Aphelion | 84.893 AU |
| Perihelion | 39.897 AU |
| 62.395 AU | |
| Eccentricity | 0.3606 |
| 492.87 yrs | |
| 12.351° | |
| 0° 0m 7.2s / day | |
| Inclination | 38.932° |
| 91.224° | |
| 273.73° | |
| Physical characteristics | |
| Dimensions | 478 km (assumed)[4] |
| 0.07 (assumed)[4] | |
| 5.0[2] | |
2010 TJ is a trans-Neptunian object orbiting the Sun in the scattered disc. It was first observed by astronomers at ESO's La Silla Observatory on 2 October 2010. With an absolute magnitude of 5.0, it is probably a dwarf planet.[2][4]
|
| |
|---|---|
| TNO classes |
|
| Dwarf planets (moons) |
|
| Sednoids |
|
 | This article about a centaur (minor planet)ortrans-Neptunian object is a stub. You can help Wikipedia by expanding it. |
