 Orbit of 2013 AT183 | |
| Discovery | |
|---|---|
| Discovered by | Pan-STARRS 1 |
| Discovery site | Haleakala Obs. |
| Discovery date | 26 January 2012 |
| Designations | |
| MPC designation | 2013 AT183 |
| Minor planet category | TNO · SDO · distant |
| Orbital characteristics | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 4 · 3 | |
| Observation arc | 20.20 yr (8,080 d) |
| Earliest precovery date | 29 January 2003 |
| Aphelion | 87.592 AU |
| Perihelion | 35.630 AU |
| Semi-major axis | 61.611 AU |
| Eccentricity | 0.4217 |
| Orbital period (sidereal) | 483.61 yr (176,640 d) |
| Mean anomaly | 68.884° |
| Mean motion | 0° 0 7.2 / day |
| Inclination | 28.125° |
| Longitude of ascending node | 304.59° |
| Argument of perihelion | 68.292° |
| Physical characteristics | |
| Mean diameter | 160-799 km |
| Geometric albedo | 0.124 |
| Absolute magnitude (H) | 4.6 · 4.92 |
(620074) 2013 AT183 (provisional designation 2013 AT183) is a large trans-Neptunian object in the scattered disc, the outermost region of the Solar System. It was discovered on 26 January 2012 by the Pan-STARRS 1 sky survey at Haleakala Observatory, Hawaii. First known precovery observation of (620074) 2013 AT183 was carried out in 29 January 2003.
See also
References
- ^ "(620084) = 2013 AT183". Minor Planet Center. Retrieved 6 March 2019.
- ^ "JPL Small-Body Database Browser: (2013 AT183)" (2014-02-26 last obs.). Jet Propulsion Laboratory. Retrieved 6 March 2019.
- "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. International Astronomical Union. Retrieved 22 April 2023.
- "List of Known Trans-Neptunian Objects". Wm. Robert Johnston. Johnston's Archive. Retrieved 22 July 2023.
External links
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