256 Walpurga
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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | April 3, 1886 |
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Designations
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| Named after | Saint Walpurga |
| Alternate name(s) | 1951 VJ |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 480.317 Gm (3.211 AU) |
| Perihelion | 416.624 Gm (2.785 AU) |
| Semi-major axis | 448.47 Gm (2.998 AU) |
| Eccentricity | 0.071 |
| Orbital period | 1895.843 d (5.19 a) |
| Average orbital speed | 17.2 km/s |
| Mean anomaly | 271.717° |
| Inclination | 13.322° |
| Longitude of ascending node | 183.115° |
| Argument of perihelion | 50.003° |
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Physical characteristics
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| Dimensions | 63.0 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 |
256 Walpurga is a large Main belt asteroid.
It was discovered by Johann Palisa on April 3, 1886 in Vienna and was named after Saint Walburga.
[edit] References
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