(15875) 1996 TP66
(15875) 1996 TP66 (provisional designation 1996 TP66) is a resonant trans-Neptunian object of the plutino population, located in the outermost region of the Solar System, approximately 154 kilometers (96 miles) in diameter. It was discovered on 11 October 1996, by astronomers Jane Luu, David C. Jewitt and Chad Trujillo at the Mauna Kea Observatories, Hawaii, in the United States. The very reddish RR-type with a highly eccentric orbit has been near its perihelion around the time of its discovery. This minor planet was numbered in 2000 and has since not been named. It is probably not a dwarf planet candidate.
Orbital diagram with 1996 TP66 being well inside the orbit of Neptune as of 2008 | |
| Discovery | |
|---|---|
| Discovered by | J. X. Luu D. C. Jewitt C. Trujillo |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 11 October 1996 |
| Designations | |
MPC designation | (15875) 1996 TP66 |
Alternative designations | 1996 TP66 |
Minor planet category | TNO · plutino distant |
| Orbital characteristics | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 12.03 yr (4,394 d) |
| Aphelion | 51.960 AU |
| Perihelion | 26.317 AU |
Semi-major axis | 39.139 AU |
| Eccentricity | 0.3276 |
Orbital period (sidereal) | 244.86 yr (89,435 d) |
Mean anomaly | 28.208° |
Mean motion | 0° 0m 14.4s / day |
| Inclination | 5.7000° |
Longitude of ascending node | 316.68° |
| 74.784° | |
| Physical characteristics | |
Mean diameter | 154±34 km |
| 0.074 | |
| RR B–V = 1.050 V–R = 0.660 V–I = 1.310 | |
| 21.6 | |
| 6.79±0.33 7.0 7.39 7.51±0.09 | |
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