12975 Efremov
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Discovery and designation
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| Discovered by | N. S. Chernykh |
| Discovery site | Crimean Astrophysical Observatory |
| Discovery date | September 28, 1973 |
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Designations
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| MPC designation | 12975 |
| Alternative names[1] | 1973 SY5 |
| Epoch May 14, 2008 | |
| Ap | 2.9529260 |
| Peri | 2.2219612 |
| Eccentricity | 0.1412523 |
| Orbital period | 1520.2140968 |
| Mean anomaly | 82.73680 |
| Inclination | 15.14376 |
| Longitude of ascending node | 186.38020 |
| Argument of peri | 217.06574 |
| Absolute magnitude | 13.4 |
12975 Efremov (1973 SY5) is a Main-belt Asteroid discovered on September 28, 1973 by N. S. Chernykh at the Crimean Astrophysical Observatory.
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