21650 Tilgner
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| Discovery and designation | |
|---|---|
| Discovered by | S. Sposetti |
| Discovery site | Gnosca |
| Discovery date | July 17, 1999 |
| Designations | |
| MPC designation | 21650 |
| Alternative names | 1999 OB1 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.5840820 |
| Perihelion | 2.0168194 |
| Eccentricity | 0.1232938 |
| Orbital period | 1274.4353508 |
| Mean anomaly | 217.74589 |
| Inclination | 6.07902 |
| Longitude of ascending node | 232.95507 |
| Argument of perihelion | 50.07976 |
| Physical characteristics | |
| Absolute magnitude (H) | 15.8 |
|
| |
21650 Tilgner (1999 OB1) is a main-belt asteroid discovered on July 17, 1999 by S. Sposetti at Gnosca.
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External links
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