_2017_OF69&sq=Qlik&lang=&file=File:Plutino-orbits_with_2017OF69.png) | |
| Discovery[1][2] | |
|---|---|
| Discovered by | D. J. Tholen S. S. Sheppard[3] C. Trujillo |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 26 July 2017 (first observed only) |
| Designations | |
| 2017 OF69 | |
| TNO[4] · plutino[5] · distant[1] | |
| Orbital characteristics[4] | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 6.01 yr (2,195 d) |
| Aphelion | 47.844 AU (7.1574 Tm) |
| Perihelion | 31.418 AU (4.7001 Tm) |
| 39.631 AU (5.9287 Tm) | |
| Eccentricity | 0.2072 |
| 249.49 yr (91,128 d) | |
| 251.02° | |
| 0° 0m 14.4s / day | |
| Inclination | 13.654° |
| 218.53° | |
| 215.37° | |
| Physical characteristics | |
| 533 km (est.)[5] | |
| 0.09 (assumed)[5] | |
| 4.6[1][4] | |
(678191) 2017 OF69 is a resonant trans-Neptunian object from the Kuiper belt, located in the outermost region of the Solar System in the Kuiper belt's plutino population and measures approximately 533 kilometers (330 miles) in diameter. It was first observed on 26 July 2017, by American astronomers David Tholen, Scott Sheppard, and Chad Trujillo at Mauna Kea Observatories in Hawaii, but not announced until 31 May 2018 due to observations made in April and May 2018 refining its orbit significantly.[2]
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