(457175) 2008 GO98
(457175) 2008 GO98, provisional designation 2008 GO98 with cometary number 362P, is a Jupiter family comet in a quasi-Hilda orbit within the outermost regions of the asteroid belt. It was discovered on 8 April 2008, by astronomers of the Spacewatch program at Kitt Peak National Observatory near Tucson, Arizona, in the United States. This presumably carbonaceous body has a diameter of approximately 15 kilometers (9 miles) and rotation period of 10.7 hours.
| Discovery | |
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak National Obs. |
| Discovery date | 8 April 2008 |
| Designations | |
MPC designation | (457175) 2008 GO98 |
Alternative designations | 2008 GO98 · 362P |
Minor planet category | Jupiter family quasi-Hilda |
| Orbital characteristics | |
| Epoch 4 December 2015 (JD 2457360.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 16.05 yr (5,862 d) |
| Aphelion | 5.0787 AU |
| Perihelion | 2.8506 AU |
Semi-major axis | 3.9646 AU |
| Eccentricity | 0.2810 |
Orbital period (sidereal) | 7.89 yr (2,883 d) |
Mean anomaly | 327.18° |
Mean motion | 0° 7m 29.64s / day |
| Inclination | 15.569° |
Longitude of ascending node | 192.61° |
| 53.287° | |
| Jupiter MOID | 0.3592 AU |
| TJupiter | 2.9260 |
| Physical characteristics | |
Mean diameter | 5.5–24.7 km (est.) 14.64 h (calculated) |
Synodic rotation period | 10.74±0.01 h |
| 0.057 (assumed) | |
| C (assumed) | |
| 12.9 15.1 | |
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