(118228) 1996 TQ66
(118228) 1996 TQ66 (provisional designation 1996 TQ66) is a resonant trans-Neptunian object of the plutino population in the Kuiper belt, located in the outermost region of the Solar System. It was discovered on 8 October 1996, by American astronomers Jun Chen, David Jewitt, Chad Trujillo, and Jane Luu, using the UH88 telescope at the Mauna Kea Observatories, Hawaii. The very red object measures approximately 185 kilometers (110 miles) in diameter. As of 2021, it has not been named.
| Discovery | |
|---|---|
| Discovered by | J. Chen D. C. Jewitt C. Trujillo J. X. Luu |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 8 October 1996 |
| Designations | |
MPC designation | (118228) 1996 TQ66 |
Alternative designations | 1996 TQ66 |
Minor planet category | TNO · plutino |
| Orbital characteristics | |
| Epoch 1 July 2021 (JD 2459396.5) | |
| Uncertainty parameter 2 | |
| Observation arc | 24.17 yr (8,828 d) |
| Aphelion | 44.219 AU |
| Perihelion | 34.535 AU |
Semi-major axis | 39.377 AU |
| Eccentricity | 0.1230 |
Orbital period (sidereal) | 247.10 yr (90,254 d) |
Mean anomaly | 33.659° |
Mean motion | 0° 0m 14.4s / day |
| Inclination | 14.650° |
Longitude of ascending node | 10.613° |
| 18.541° | |
| Physical characteristics | |
Mean diameter | 185 km (est. at 0.09) |
| |
| 22.85 | |
| 7.14 | |
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