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Discovery and designation
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|---|---|
| Discovered by | Bowell, E. |
| Discovery site | Flagstaff |
| Discovery date | December 30, 1980 |
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Designations
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| MPC designation | 4689 |
| Alternate name(s) | 1980 YB |
| Epoch May 14, 2008 | |
| Ap | 2.4531683 |
| Peri | 2.1206597 |
| Eccentricity | 0.0726981 |
| Orbital period | 1263.2030598 |
| Mean anomaly | 296.67217 |
| Inclination | 5.16207 |
| Longitude of ascending node | 105.82144 |
| Argument of peri | 31.39381 |
| Absolute magnitude (H) | 13.5 |
4689 Donn (1980 YB) is a main-belt asteroid discovered on December 30, 1980 by Bowell, E. at Flagstaff.
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