4973 Showa
From Wikipedia, the free encyclopedia
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Discovery and designation
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| Discovered by | Kin Endate and Kazuro Watanabe |
| Discovery site | Kitami |
| Discovery date | March 18, 1990 |
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Designations
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| MPC designation | 4973 |
| Alternative names[1] | 1990 FT |
| Epoch May 14, 2008 | |
| Aphelion | 3.6942208 |
| Perihelion | 3.1672470 |
| Eccentricity | 0.0768019 |
| Orbital period | 2321.0204702 |
| Mean anomaly | 357.76283 |
| Inclination | 18.89125 |
| Longitude of ascending node | 353.01199 |
| Argument of perihelion | 135.63557 |
| Geometric albedo | 0.0865 |
| Absolute magnitude | 11.30 |
4973 Showa (1990 FT) is a Outer Main-belt Asteroid discovered on March 18, 1990 by Kin Endate and Kazuro Watanabe at Kitami Observatory.

