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Discovery and designation
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| Discovered by | Chernykh, L. |
| Discovery site | Nauchnyj |
| Discovery date | December 16, 1976 |
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Designations
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| MPC designation | 2551 |
| Alternate name(s) | 1976 YX1 |
| Epoch May 14, 2008 | |
| Ap | 3.7080011 |
| Peri | 2.6078349 |
| Eccentricity | 0.1741917 |
| Orbital period | 2049.7443343 |
| Mean anomaly | 262.73847 |
| Inclination | 0.63108 |
| Longitude of ascending node | 10.40554 |
| Argument of peri | 30.21411 |
| Absolute magnitude (H) | 12.1 |
2551 Decabrina (1976 YX1) is a main-belt asteroid discovered on December 16, 1976 by Chernykh, L. at Nauchnyj.
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