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Discovery and designation
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| Discovered by | M. Koishikawa |
| Discovery site | Ayashi Station of the Sendai Astronomical Observatory |
| Discovery date | December 4, 1994 |
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Designations
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| MPC designation | 7485 |
| Alternate name(s) | 1994 XO |
| Epoch May 14, 2008 | |
| Aphelion | 3.4162646 |
| Perihelion | 2.3098048 |
| Eccentricity | 0.1932320 |
| Orbital period | 1769.4501773 |
| Mean anomaly | 302.87158 |
| Inclination | 13.34335 |
| Longitude of ascending node | 89.19777 |
| Argument of perihelion | 307.27347 |
| Absolute magnitude (H) | 11.7 |
7485 Changchun (1994 XO) is a main-belt asteroid discovered on December 4, 1994 by M. Koishikawa at the Ayashi Station of the Sendai Astronomical Observatory.
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