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Discovery and designation
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| Discovered by | Chernykh, N. |
| Discovery site | Nauchnyj |
| Discovery date | September 24, 1979 |
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Designations
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| MPC designation | 3148 |
| Named after | Georgy Grechko |
| Alternate name(s) | 1979 SA12 |
| Epoch May 14, 2008 | |
| Ap | 3.6943079 |
| Peri | 2.5167675 |
| Eccentricity | 0.1895872 |
| Orbital period | 1998.9577656 |
| Mean anomaly | 62.16532 |
| Inclination | 0.73447 |
| Longitude of ascending node | 1.09572 |
| Argument of peri | 44.47805 |
| Absolute magnitude (H) | 11.8 |
3148 Grechko (1979 SA12) is a main-belt asteroid discovered on September 24, 1979 by Chernykh, N. at Nauchnyj.
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