4257 Ubasti
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| Discovery and designation | |
|---|---|
| Discovered by | Jean Mueller |
| Discovery site | Palomar Observatory |
| Discovery date | August 23, 1987 |
| Designations | |
| MPC designation | 4257 |
| Alternative names | 1987 QA |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.418569770809202 |
| Perihelion | .8757389611954738 |
| Eccentricity | .4683321859377989 |
| Orbital period | 772.1468063335852 |
| Mean anomaly | 243.3493060856075 |
| Inclination | 40.70901181384465 |
| Longitude of ascending node | 169.2509497301264 |
| Argument of perihelion | 278.9273678657885 |
| Physical characteristics | |
| Absolute magnitude (H) | 16.2 |
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4257 Ubasti (1987 QA) is an Apollo asteroid and Near-Earth object discovered on August 23, 1987 by Jean Mueller at Palomar Observatory.
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