2246 Bowell
2246 Bowell, provisional designation 1979 XH, is a rare-type Hildian asteroid from the outermost region of the asteroid belt, approximately 44 kilometers in diameter. It was discovered on 14 December 1979, by American astronomer Edward Bowell at Lowell Observatory's Anderson Mesa Station, and named after the discoverer himself.
| Discovery | |
|---|---|
| Discovered by | E. Bowell |
| Discovery site | Anderson Mesa Stn. |
| Discovery date | 14 December 1979 |
| Designations | |
MPC designation | (2246) Bowell |
Named after | Edward Bowell (American astronomer) |
Alternative designations | 1979 XH · 1942 GP 1973 FH2 · 1973 FR 1976 SL6 · 1977 SM3 |
Minor planet category | main-belt · Hilda |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 62.06 yr (22,666 days) |
| Aphelion | 4.3289 AU |
| Perihelion | 3.5863 AU |
Semi-major axis | 3.9576 AU |
| Eccentricity | 0.0938 |
Orbital period (sidereal) | 7.87 yr (2,876 days) |
Mean anomaly | 244.37° |
Mean motion | 0° 7m 30.72s / day |
| Inclination | 6.4941° |
Longitude of ascending node | 155.66° |
| 21.544° | |
| Jupiter MOID | 0.6437 AU |
| Physical characteristics | |
| Dimensions | 40.73±1.70 km 44.21±3.2 km (IRAS:6) 48.424±0.429 |
Synodic rotation period | 4.992 h |
| 0.045±0.012 0.0540±0.009 (IRAS:6) 0.066±0.006 | |
| D (Tholen and SMASS) D B–V = 0.746 U–B = 0.239 | |
| 10.56 · 10.65±0.20 | |
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