271 Penthesilea
| Discovery | |
|---|---|
| Discovered by | Viktor Knorre |
| Discovery date | October 13, 1887 |
| Designations | |
|
Named after
|
Penthesilea |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 494.138 Gm (3.303 AU) |
| Perihelion | 406.502 Gm (2.717 AU) |
| 450.32 Gm (3.01 AU) | |
| Eccentricity | 0.097 |
| 1907.586 d (5.22 a) | |
|
Average orbital speed
|
17.17 km/s |
| 169.508° | |
| Inclination | 3.537° |
| 335.668° | |
| 58.325° | |
| Physical characteristics | |
| Dimensions | 58.0 km |
| 18.787[2] h | |
| 9.8 | |
271 Penthesilea is a large main belt asteroid that was discovered by Viktor Knorre on October 13, 1887 in Berlin. It was his last asteroid discovery. The asteroid was named after Penthesilea, the mythical Greek queen of the Amazons.[3]
Photometric observations of this asteroid were made in early 2009 at the Organ Mesa Observatory in Las Cruces, New Mexico. The resulting light curve shows a synodic rotation period of 18.787 ± 0.001 hours with a brightness variation of 0.32 ± 0.04 in magnitude.[2]
References
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