5291 Yuuko
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| Discovery and designation | |
|---|---|
| Discovered by | Masanori Matsuyama and Watanabe |
| Discovery site | Kushiro |
| Discovery date | December 20, 1990 |
| Designations | |
| MPC designation | 5291 |
| Alternative names | 1990 YT |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.8030903 |
| Perihelion | 2.0358885 |
| Eccentricity | 0.1585462 |
| Orbital period | 1374.6242980 |
| Mean anomaly | 140.43457 |
| Inclination | 2.04975 |
| Longitude of ascending node | 209.55259 |
| Argument of perihelion | 350.77528 |
| Physical characteristics | |
| Absolute magnitude (H) | 13.1 |
|
| |
5291 Yuuko (1990 YT) is a Main-belt asteroid discovered on December 20, 1990 by Masanori Matsuyama and Watanabe at Kushiro.
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