5643 Roques
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| Discovery and designation | |
|---|---|
| Discovered by | H. E. Holt |
| Discovery site | Palomar |
| Discovery date | August 22, 1990 |
| Designations | |
| MPC designation | 5643 |
| Alternative names | 1990 QC2 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.5675240 |
| Perihelion | 1.8140038 |
| Eccentricity | 0.1719766 |
| Orbital period | 1184.3819500 |
| Mean anomaly | 215.06464 |
| Inclination | 5.00094 |
| Longitude of ascending node | 163.62505 |
| Argument of perihelion | 114.61395 |
| Physical characteristics | |
| Absolute magnitude (H) | 14.5 |
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5643 Roques (1990 QC2) is a main-belt asteroid discovered on August 22, 1990 by H. E. Holt at Palomar.
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