9860 Archaeopteryx
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| Discovery and designation | |
|---|---|
| Discovered by | E. W. Elst |
| Discovery site | European Southern Observatory |
| Discovery date | August 6, 1991 |
| Designations | |
| MPC designation | 9860 |
| Named after | Archaeopteryx |
| Alternative names | 1991 PW9 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 3.4099556 |
| Perihelion | 2.9148686 |
| Eccentricity | 0.0782768 |
| Orbital period | 2054.1214206 |
| Mean anomaly | 2.20785 |
| Inclination | 9.97594 |
| Longitude of ascending node | 152.66765 |
| Argument of perihelion | 154.41757 |
| Physical characteristics | |
| Absolute magnitude (H) | 12.9 |
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9860 Archaeopteryx (1991 PW9) is a main-belt asteroid discovered on August 6, 1991 by Eric Walter Elst at the European Southern Observatory. It is named after the earliest known bird Archaeopteryx, which dates from the Jurassic Period.
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