18818 Yasuhiko
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Discovery and designation
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| Discovered by | T. Okuni |
| Discovery site | Nanyo |
| Discovery date | June 21, 1999 |
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Designations
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| MPC designation | 18818 |
| Alternative names[1] | 1999 MB2 |
| Epoch May 14, 2008 | |
| Ap | 2.5952395 |
| Peri | 1.9756407 |
| Eccentricity | 0.1355535 |
| Orbital period | 1261.9820374 |
| Mean anomaly | 266.55122 |
| Inclination | 6.08760 |
| Longitude of ascending node | 129.94754 |
| Argument of peri | 87.44862 |
| Absolute magnitude | 13.9 |
18818 Yasuhiko (1999 MB2) is a Main-belt Asteroid discovered on June 21, 1999 by T. Okuni at Nanyo.

