1857 Parchomenko
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| Discovery | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Nauchnyj |
| Discovery date | August 30, 1971 |
| Designations | |
| MPC designation | 1857 |
| Alternative names | 1971 QS1 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.5444357 |
| Perihelion | 1.9433181 |
| Eccentricity | 0.1339462 |
| Orbital period | 1227.7133368 |
| Mean anomaly | 282.19068 |
| Inclination | 4.39529 |
| Longitude of ascending node | 236.14841 |
| Argument of perihelion | 173.73327 |
| Physical characteristics | |
| Absolute magnitude (H) | 12.3 |
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1857 Parchomenko (1971 QS1) is a main-belt asteroid discovered on August 30, 1971 by T. Smirnova at Nauchnyj.
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