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Discovery and designation
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| Discovered by | Nobuhiro Kawasato |
| Discovery site | Uenohara |
| Discovery date | November 22, 1989 |
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Designations
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| MPC designation | 4381 |
| Named after | Uenohara |
| Alternate name(s) | 1989 WD1 |
| Epoch May 14, 2008 | |
| Ap | 3.2718719 |
| Peri | 2.7773453 |
| Eccentricity | 0.0817505 |
| Orbital period | 1921.3310982 |
| Mean anomaly | 260.05053 |
| Inclination | 11.23777 |
| Longitude of ascending node | 108.21575 |
| Argument of peri | 231.41030 |
| Geometric albedo | 0.1394 |
| Absolute magnitude (H) | 11.20 |
4381 Uenohara (1989 WD1) is a main-belt asteroid discovered on November 22, 1989 by Nobuhiro Kawasato at Uenohara.
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