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Discovery and designation
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| Discovered by | Bus, S. J. |
| Discovery site | Siding Spring |
| Discovery date | February 28, 1981 |
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Designations
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| MPC designation | 3307 |
| Alternate name(s) | 1981 DE1 |
| Epoch May 14, 2008 | |
| Ap | 2.4765425 |
| Peri | 2.0411025 |
| Eccentricity | 0.0963865 |
| Orbital period | 1239.9996611 |
| Mean anomaly | 123.24878 |
| Inclination | 6.37817 |
| Longitude of ascending node | 263.30389 |
| Argument of peri | 146.03888 |
| Geometric albedo | 0.0441 |
| Absolute magnitude (H) | 13.9 |
3307 Athabasca (1981 DE1) is a main-belt asteroid discovered on February 28, 1981 by Bus, S. J. at Siding Spring.
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