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Discovery and designation
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| Discovered by | Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels |
| Discovery site | Palomar Observatory |
| Discovery date | September 19, 1973 |
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Designations
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| MPC designation | 4387 |
| Named after | Yasuo Tanaka |
| Alternate name(s) | 4829 T-2 |
| Epoch May 14, 2008 | |
| Ap | 2.4740532 |
| Peri | 2.4022684 |
| Eccentricity | 0.0147211 |
| Orbital period | 1390.5670651 |
| Mean anomaly | 257.03494 |
| Inclination | 4.27078 |
| Longitude of ascending node | 120.99249 |
| Argument of peri | 21.05311 |
| Absolute magnitude (H) | 12.8 |
4387 Tanaka (4829 T-2) is a main-belt asteroid discovered on September 19, 1973 by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory. It is named for Japanese astrophysicist Yasuo Tanaka.
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