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Discovery and designation
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| Discovered by | L. Zhuravleva |
| Discovery site | Nauchnyj |
| Discovery date | September 26, 1978 |
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Designations
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| MPC designation | 2771 |
| Named after | Ivan Polzunov |
| Alternate name(s) | 1978 SP7 |
| Epoch May 14, 2008 | |
| Ap | 3.2906016 |
| Peri | 2.0615436 |
| Eccentricity | 0.2296384 |
| Orbital period | 1598.9881603 |
| Mean anomaly | 306.08300 |
| Inclination | 13.92527 |
| Longitude of ascending node | 207.70553 |
| Argument of peri | 115.58832 |
| Absolute magnitude (H) | 12.0 |
2771 Polzunov (1978 SP7) is a main-belt asteroid discovered on September 26, 1978 by L. Zhuravleva at Nauchnyj.
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