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Discovery and designation
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| Discovered by | Purple Mountain Observatory |
| Discovery site | Xinglong |
| Discovery date | February 23, 1982 |
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Designations
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| MPC designation | 7811 |
| Named after | Zhao Jiuzhang |
| Alternate name(s) | 1982 DT6 |
| Epoch May 14, 2008 | |
| Ap | 2.9601009 |
| Peri | 2.3935817 |
| Eccentricity | 0.1058186 |
| Orbital period | 1599.6772207 |
| Mean anomaly | 6.12032 |
| Inclination | 13.55843 |
| Longitude of ascending node | 121.85651 |
| Argument of peri | 19.30379 |
| Absolute magnitude (H) | 12.6 |
7811 Zhaojiuzhang (1982 DT6) is a main-belt asteroid discovered on February 23, 1982 by the Purple Mountain Observatory at Xinglong.
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