2005 QU182
| Discovery | |
|---|---|
| Discovered by |
M. E. Brown D. L. Rabinowitz C. A. Trujillo |
| Discovery date | 30 August 2005 |
| Designations | |
| MPC designation | 2005 QU182 |
| TNO (SDO) | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 2 | |
| Observation arc | 13642 days (37.35 yr) |
| Aphelion | 184.19 AU (27.554 Tm) (Q) |
| Perihelion | 36.827 AU (5.5092 Tm) (q) |
| 110.51 AU (16.532 Tm) (a) | |
| Eccentricity | 0.66675 (e) |
| 1161.74 yr (424325.7 d) | |
| 13.854° (M) | |
| 0° 0m 3.054s / day (n) | |
| Inclination | 14.032° (i) |
| 78.395° (Ω) | |
| 223.69° (ω) | |
| Earth MOID | 35.8244 AU (5.35925 Tm) |
| Jupiter MOID | 31.769 AU (4.7526 Tm) |
| TJupiter | 6.711 |
| Physical characteristics | |
| Dimensions | 416±73 km |
| 9.61 h (0.400 d) | |
|
Sidereal rotation period
|
9.61 hr |
| 0.328+0.160 −0.109 |
|
| 20.9 | |
| 3.80±0.32, 3.5 | |
(303775) 2005 QU182, also written as (303775) 2005 QU182, is a trans-Neptunian object with a bright absolute magnitude of 3.5.Mike Brown lists it as probably a dwarf planet.
It came to perihelion in 1971 and is currently 51.8 AU from the Sun. In April 2013, it moved beyond 50 AU from the Sun.
It has been observed 81 times over 10 oppositions with precovery images back to 1974.
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