(315898) 2008 QD4
|
|
| Discovery | |
|---|---|
| Discovered by | Mallorca Obs. |
| Discovery site | La Sagra Obs. |
| Discovery date | 25 August 2008 |
| Designations | |
| MPC designation | (315898) 2008 QD4 |
| Centaur | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 2744 days (7.51 yr) |
| Aphelion | 11.364 AU (1.7000 Tm) (Q) |
| Perihelion | 5.4531 AU (815.77 Gm) (q) |
| 8.4087 AU (1.25792 Tm) (a) | |
| Eccentricity | 0.35149 (e) |
| 24.38 yr (8906.16 d) | |
| 79.666° (M) | |
| 0° 2m 25.516s / day (n) | |
| Inclination | 42.028° (i) |
| 344.70° (Ω) | |
| 68.923° (ω) | |
| Earth MOID | 4.6941 AU (702.23 Gm) |
| Jupiter MOID | 1.46448 AU (219.083 Gm) |
| Jupiter Tisserand parameter | 2.387 |
| Physical characteristics | |
| Dimensions | 31 km |
| 0.05 (assumed) | |
| 11.4 | |
(315898) 2008 QD4, provisional designation 2008 QD4, is a centaur orbiting in the outer Solar System with a perihelion greater than Jupiter and a semi-major axis less than Saturn.
2008 QD4 is listed as a centaur by the Minor Planet Center,Jet Propulsion Laboratory, and the Deep Ecliptic Survey (DES). Of numbered objects listed as a centaur by all 3 major institutions, (315898) 2008 QD4 has the smallest perihelion distance.
It came to perihelion in August 2010.
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