_2012_DR30&sq=&lang=&file=File:2012_DR30_SDSS_precovery.png) | |
| Discovery[1][2][3] | |
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak Obs. |
| Discovery date | 31 March 2009 (first observed only) |
| Designations | |
| 2012 DR30 | |
| |
| Orbital characteristics[1][a] | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 14.72 yr (5,375 d) |
| Aphelion | 3192 AU 2049 AU (barycentric) |
| Perihelion | 14.5 AU |
| 1603.44 AU 1032 AU (barycentric) | |
| Eccentricity | 0.9909 |
| 64207 yr 33100 yr (barycentric) | |
| 0.0453° | |
| 0° 0m 0s / day | |
| Inclination | 77.986° |
| 341.48° | |
| ≈ 16 March 2011[7] | |
| 195.57° | |
| Jupiter MOID | 9.311 AU |
| Saturn MOID | 5.45 AU[2] |
| Uranus MOID | 3.32 AU[2] |
| TJupiter | 0.9860 |
| Physical characteristics | |
| 19.9[8] | |
| 7.1[1][2] | |
(668643) 2012 DR30 is a trans-Neptunian object and centaur from the scattered disk and/or inner Oort cloud, located in the outermost region of the Solar System. The object with a highly eccentric orbit of 0.99 was first observed by astronomers with the Spacewatch program at Steward Observatory on 31 March 2009.[2] It measures approximately 188 kilometers (120 miles) in diameter.
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