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Discovery and designation
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| Discovered by | Seiji Ueda and Hiroshi Kaneda |
| Discovery site | Kushiro |
| Discovery date | January 23, 1991 |
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Designations
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| MPC designation | 4844 |
| Alternate name(s) | 1991 BA2 |
| Epoch May 14, 2008 | |
| Ap | 3.1159187 |
| Peri | 1.9924693 |
| Eccentricity | 0.2199225 |
| Orbital period | 1491.0055093 |
| Mean anomaly | 17.50513 |
| Inclination | 5.96488 |
| Longitude of ascending node | 248.34283 |
| Argument of peri | 355.76373 |
| Absolute magnitude (H) | 12.4 |
4844 Matsuyama (1991 BA2) is a main-belt asteroid discovered on January 23, 1991 by Seiji Ueda and Hiroshi Kaneda at Kushiro.
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