(472651) 2015 DB216
| Discovery | |
|---|---|
| Discovered by | Mount Lemmon Survey (G96) |
| Discovery date | February 27, 2015 |
| Designations | |
| 2015 DB216 | |
| Uranus co-orbital centaur · distant | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 2 | |
| Observation arc | 13.17 yr (4,812 days) |
| Aphelion | 25.478 AU |
| Perihelion | 12.944 AU |
| 19.211 AU | |
| Eccentricity | 0.3262 |
| 84.20 yr (30,755 days) | |
| 314.27° | |
| 0° 0m 42.12s / day | |
| Inclination | 37.709° |
| 6.2797° | |
| 237.99° | |
| Jupiter MOID | 8.37627 AU (1.253072 Tm) |
| Physical characteristics | |
| Dimensions | 44–160 km |
| 20.8 (2015) 20.7 (2016) 19.4 (2029; peak) | |
| 8.4 | |
(472651) 2015 DB216 is a centaur and Uranus co-orbital discovered on February 27, 2015, by the Mount Lemmon Survey. It is the second known centaur on a horseshoe orbit with Uranus, and the third Uranus co-orbital discovered after 2011 QF99 (a Trojan) and 83982 Crantor (a horseshoe librator). A second Uranian Trojan, 2014 YX49, was announced in 2017.