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Discovery and designation
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|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak |
| Discovery date | October 13, 1998 |
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Designations
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| MPC designation | 14163 |
| Named after | John Herbert Chapman |
| Alternate name(s) | 1998 TY20 |
| Epoch May 14, 2008 | |
| Ap | 3.0868337 |
| Peri | 2.6684655 |
| Eccentricity | 0.0726927 |
| Orbital period | 1783.0162355 |
| Mean anomaly | 299.67990 |
| Inclination | 0.79615 |
| Longitude of ascending node | 294.64900 |
| Argument of peri | 147.96031 |
| Absolute magnitude (H) | 14.3 |
14163 Johnchapman (1998 TY20) is a main-belt asteroid discovered on October 13, 1998 by Spacewatch at Kitt Peak.
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