| Discovery[1][2] | |
|---|---|
| Discovered by | D. L. Rabinowitz M. E. Schwamb S. Tourtellotte |
| Discovery site | La Silla Obs. |
| Discovery date | 2 October 2010 (first observed only) |
| Designations | |
| 2010 TJ | |
| TNO[1] · SDO[3] distant[4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 4 | |
| Observation arc | 7.22 yr (2,636 days) |
| Aphelion | 84.870 AU |
| Perihelion | 39.894 AU |
| 62.382 AU | |
| Eccentricity | 0.3605 |
| 492.72 yr (179,965 d) | |
| 12.366° | |
| 0° 0m 7.2s / day | |
| Inclination | 38.931° |
| 91.226° | |
| 273.70° | |
| Physical characteristics | |
| 443 km (estimated)[3] 471 km (assumed)[5] | |
| 0.07 (assumed)[5] 0.09 (assumed)[3] | |
| 5.0[1] · 5.3[5] | |
2010 TJ is a trans-Neptunian object from the scattered disc in the outermost region of the Solar System and measures approximately 460 kilometers in diameter. It was first observed by American astronomers David Rabinowitz, Megan Schwamb, and Suzanne Tourtellotte at ESO's La Silla Observatory in northern Chile on 2 October 2010.[4]
jpldata was invoked but never defined (see the help page).MPC-CEN-SDO-list was invoked but never defined (see the help page).johnstonsarchive-TNO-list was invoked but never defined (see the help page).MPC-object was invoked but never defined (see the help page).Brown-dplist was invoked but never defined (see the help page).