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Discovery and designation
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| Discovered by | R. H. McNaught |
| Discovery site | Siding Spring |
| Discovery date | October 9, 1990 |
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Designations
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| MPC designation | 4679 |
| Alternate name(s) | 1990 TR4 |
| Epoch May 14, 2008 | |
| Ap | 3.1837616 |
| Peri | 2.8949382 |
| Eccentricity | 0.0475140 |
| Orbital period | 1935.3943850 |
| Mean anomaly | 69.68072 |
| Inclination | 17.40029 |
| Longitude of ascending node | 178.90551 |
| Argument of peri | 265.07388 |
| Absolute magnitude (H) | 11.7 |
4679 Sybil (1990 TR4) is a main-belt asteroid discovered on October 9, 1990 by R. H. McNaught at Siding Spring.
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