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Discovery
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| Discovered by | Viktor Knorre |
| Discovery date | October 13, 1887 |
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Designations
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| Named after | Penthesilea |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 494.138 Gm (3.303 AU) |
| Perihelion | 406.502 Gm (2.717 AU) |
| Semi-major axis | 450.32 Gm (3.01 AU) |
| Eccentricity | 0.097 |
| Orbital period | 1907.586 d (5.22 a) |
| Average orbital speed | 17.17 km/s |
| Mean anomaly | 169.508° |
| Inclination | 3.537° |
| Longitude of ascending node | 335.668° |
| Argument of perihelion | 58.325° |
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Physical characteristics
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| Dimensions | 58.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 9.8 |
271 Penthesilea is a large Main belt asteroid. It was named after Penthesilea, the mythical Greek queen of the Amazons.[1]
It was discovered by Viktor Knorre on October 13, 1887 in Berlin. It was his last asteroid discovery.
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