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Discovery and designation
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| Discovered by | E. F. Helin |
| Discovery site | Palomar |
| Discovery date | October 15, 1990 |
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Designations
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| MPC designation | 5188 |
| Named after | Thomas O. Paine |
| Alternate name(s) | 1990 TZ2 |
| Epoch May 14, 2008 | |
| Ap | 2.9338838 |
| Peri | 2.2275508 |
| Eccentricity | 0.1368482 |
| Orbital period | 1514.2900396 |
| Mean anomaly | 54.39405 |
| Inclination | 13.52735 |
| Longitude of ascending node | 143.75196 |
| Argument of peri | 282.04263 |
| Absolute magnitude (H) | 12.9 |
5188 Paine (1990 TZ2) is a main-belt asteroid discovered on October 15, 1990 by E. F. Helin at Palomar.
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