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Discovery and designation
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| Discovered by | H. Kosai and H. Hurukawa |
| Discovery site | Tokyo Observatory's Kiso Station |
| Discovery date | February 18, 1977 |
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Designations
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| MPC designation | 2330 |
| Named after | Mount Ontake |
| Alternate name(s) | 1977 DS3 |
| Epoch May 14, 2008 | |
| Ap | 3.3067659 |
| Peri | 3.0489183 |
| Eccentricity | 0.0405696 |
| Orbital period | 2069.1735049 |
| Mean anomaly | 61.73885 |
| Inclination | 8.66590 |
| Longitude of ascending node | 140.62577 |
| Argument of peri | 135.34316 |
| Geometric albedo | 0.0488 |
| Absolute magnitude (H) | 11.30 |
2330 Ontake (1977 DS3) is a main-belt asteroid discovered on February 18, 1977 by H. Kosai and H. Hurukawa at the Tokyo Observatory's Kiso Station. This is located on the southeast slope of Mount Ontake.
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