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Discovery and designation
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| Discovered by | Chernykh, N. |
| Discovery site | Nauchnyj |
| Discovery date | September 24, 1976 |
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Designations
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| MPC designation | 3632 |
| Alternate name(s) | 1976 SJ4 |
| Epoch May 14, 2008 | |
| Ap | 3.6281646 |
| Peri | 1.9018828 |
| Eccentricity | 0.3121640 |
| Orbital period | 1679.3712658 |
| Mean anomaly | 271.67342 |
| Inclination | 6.43449 |
| Longitude of ascending node | 201.29163 |
| Argument of peri | 238.58098 |
| Absolute magnitude (H) | 12.6 |
3632 Grachevka (1976 SJ4) is a main-belt asteroid discovered on September 24, 1976 by Chernykh, N. at Nauchnyj.
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