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Discovery and designation
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| Discovered by | Beijing Schmidt CCD Asteroid Program |
| Discovery site | Xinglong |
| Discovery date | December 24, 1996 |
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Designations
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| MPC designation | 7681 |
| Named after | Chen Jingrun |
| Alternate name(s) | 1996 YK2 |
| Epoch May 14, 2008 | |
| Ap | 2.6922851 |
| Peri | 1.9816993 |
| Eccentricity | 0.1520300 |
| Orbital period | 1304.9212823 |
| Mean anomaly | 49.91238 |
| Inclination | 7.59868 |
| Longitude of ascending node | 10.66583 |
| Argument of peri | 126.43636 |
| Absolute magnitude (H) | 13.4 |
7681 Chenjingrun (1996 YK2) is a main-belt asteroid discovered on December 24, 1996 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
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