271 Penthesilea
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| Discovery A | |
|---|---|
| Discoverer | Viktor Knorre |
| Discovery date | October 13, 1887 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.097 |
| Semi-major axis (a) | 450.32 Gm (3.01 AU) |
| Perihelion (q) | 406.502 Gm (2.717 AU) |
| Aphelion (Q) | 494.138 Gm (3.303 AU) |
| Orbital period (P) | 1907.586 d (5.22 a) |
| Mean orbital speed | 17.17 km/s |
| Inclination (i) | 3.537° |
| Longitude of the ascending node (Ω) |
335.668° |
| Argument of perihelion (ω) |
58.325° |
| Mean anomaly (M) | 169.508° |
| Physical characteristics D | |
| Dimensions | 58.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.8 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
271 Penthesilea is a large Main belt asteroid.
It was discovered by Viktor Knorre on October 13, 1887 in Berlin.
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