12657 Bonch-Bruevich
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Discovery and designation
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| Discovered by | T. M. Smirnova |
| Discovery site | Crimean Astrophysical Observatory |
| Discovery date | August 30, 1971 |
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Designations
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| MPC designation | 12657 |
| Alternative names[1] | 1971 QO1 |
| Epoch May 14, 2008 | |
| Ap | 3.3338424 |
| Peri | 2.7057260 |
| Eccentricity | 0.1040002 |
| Orbital period | 1916.7360286 |
| Mean anomaly | 354.12667 |
| Inclination | 9.44786 |
| Longitude of ascending node | 321.42413 |
| Argument of peri | 33.24759 |
| Absolute magnitude | 12.3 |
12657 Bonch-Bruevich (1971 QO1) is a Main-belt Asteroid discovered on August 30, 1971 by T. M. Smirnova at the Crimean Astrophysical Observatory.

