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Discovery and designation
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| Discovered by | L. G. Karachkina |
| Discovery site | Nauchnyj |
| Discovery date | December 17, 1984 |
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Designations
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| MPC designation | 4785 |
| Named after | Andrey Petrov |
| Alternate name(s) | 1984 YH1 |
| Epoch May 14, 2008 | |
| Ap | 2.8315907 |
| Peri | 2.4949621 |
| Eccentricity | 0.0631982 |
| Orbital period | 1587.5330675 |
| Mean anomaly | 156.63101 |
| Inclination | 2.68354 |
| Longitude of ascending node | 301.80419 |
| Argument of peri | 114.27054 |
| Absolute magnitude (H) | 13.2 |
4785 Petrov (1984 YH1) is a main-belt asteroid discovered on December 17, 1984 by L. G. Karachkina at Nauchnyj. The asteroid was named after the Russian composer Andrei Petrov.[1]
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