(315898) 2008 QD4
 | |
| Designations | |
|---|---|
| (315898) 2008 QD4 | |
| Centaur[1][2][3] | |
| Orbital characteristics[1] | |
| Epoch November 30 2008 (2454800.5) | |
| Aphelion | 11.41 AU (Q) |
| Perihelion | 5.437 AU (q) |
| 8.425 AU (a) | |
| Eccentricity | 0.354 |
| 24.46 yr | |
| 334.6° (M) | |
| Inclination | 41.87° |
| 344.6° | |
| 68.6° | |
| Physical characteristics | |
| Dimensions | 33 km[4] |
| 0.05 (assumed)[4] | |
| 11.3[1] | |
(315898) 2008 QD4, also written as (315898) 2008 QD4, is a centaur with a perihelion greater than Jupiter and a semi-major axis less than Neptune.
Perihelion
(315898) 2008 QD4 is listed as a centaur by the Minor Planet Center (MPC),[3] JPL,[1] and the Deep Ecliptic Survey (DES).[2] Of objects listed as a centaur by all 3 major institutions, (315898) 2008 QD4 has the smallest perihelion distance.[3]
It will come to perihelion in August 2010.[1]
References
- ^ a b c d e "JPL Small-Body Database Browser: (2008 QD4)". 2008-10-08 last obs. Retrieved 2008-10-17.
{{cite web}}: Check date values in:|date=(help) - ^ a b Marc W. Buie (2008-10-01). "Orbit Fit and Astrometric record for 08QD4". SwRI (Space Science Department). Retrieved 2008-10-17.
- ^ a b c "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2008-10-17.
- ^ a b assumed to have an albedo just above a typical comet
External links
- Orbital simulation from JPL (Java) / Ephemeris
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