4643 Cisneros
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| Discovery and designation | |
|---|---|
| Discovered by | H. E. Holt |
| Discovery site | Palomar |
| Discovery date | August 23, 1990 |
| Designations | |
| MPC designation | 4643 |
| Alternative names | 1990 QD6 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.8358726 |
| Perihelion | 1.8919986 |
| Eccentricity | 0.1996404 |
| Orbital period | 1327.5531179 |
| Mean anomaly | 346.32492 |
| Inclination | 1.77506 |
| Longitude of ascending node | 106.86026 |
| Argument of perihelion | 187.61850 |
| Physical characteristics | |
| Absolute magnitude (H) | 13.5 |
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4643 Cisneros (1990 QD6) is a main-belt asteroid discovered on August 23, 1990 by H. E. Holt at Palomar.
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