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Discovery and designation
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| Discovered by | Purple Mountain Observatory |
| Discovery site | Nanking |
| Discovery date | October 31, 1975 |
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Designations
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| MPC designation | 2505 |
| Named after | Hebei |
| Alternate name(s) | 1975 UJ |
| Epoch May 14, 2008 | |
| Ap | 3.6924344 |
| Peri | 2.5921844 |
| Eccentricity | 0.1750703 |
| Orbital period | 2034.5662635 |
| Mean anomaly | 30.73192 |
| Inclination | 2.07986 |
| Longitude of ascending node | 59.26514 |
| Argument of peri | 208.34349 |
| Absolute magnitude (H) | 11.3 |
2505 Hebei (1975 UJ) is a main-belt asteroid discovered on October 31, 1975 by Purple Mountain Observatory at Nanking.
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