Global Information11133 Kumotori information
| Discovery[1] | |
|---|---|
| Discovered by | T. Kobayashi |
| Discovery site | Ōizumi Obs. |
| Discovery date | 2 December 1996 |
| Designations | |
MPC designation | (11133) Kumotori |
Named after | Mount Kumotori (Japanese mountain)[2] |
Alternative designations | 1996 XY |
Minor planet category | main-belt · (outer)[3] background[4] |
| Orbital characteristics[1] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 28.27 yr (10,324 d) |
| Aphelion | 2.9313 AU |
| Perihelion | 2.6210 AU |
Semi-major axis | 2.7762 AU |
| Eccentricity | 0.0559 |
Orbital period (sidereal) | 4.63 yr (1,690 d) |
Mean anomaly | 54.098° |
Mean motion | 0° 12m 47.16s / day |
| Inclination | 10.689° |
Longitude of ascending node | 83.096° |
Argument of perihelion | 158.34° |
| Physical characteristics | |
Mean diameter | 8.96 km (calculated)[3] |
Synodic rotation period | 4.634±0.0005 h[5] |
Geometric albedo | 0.057 (assumed)[3] |
Spectral type | L[6] · C (assumed)[3] |
Absolute magnitude (H) | 13.517±0.003 (R)[5] 13.6[1] · 13.97[3] 14.10±0.46[6] |
11133 Kumotori (provisional designation 1996 XY) is a background asteroid from the central regions of the asteroid belt, approximately 9 kilometers (6 miles) in diameter. It was discovered on 2 December 1996, by Japanese amateur astronomer Takao Kobayashi at his Ōizumi Observatory. The asteroid was named after Mount Kumotori near Tokyo.[2] It has a rotation period of 4.6 hours.[3]
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