256 Walpurga
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| Discovery A | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | April 3, 1886 |
| Alternate designations B |
1951 VJ |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.071 |
| Semi-major axis (a) | 448.47 Gm (2.998 AU) |
| Perihelion (q) | 416.624 Gm (2.785 AU) |
| Aphelion (Q) | 480.317 Gm (3.211 AU) |
| Orbital period (P) | 1895.843 d (5.19 a) |
| Mean orbital speed | 17.2 km/s |
| Inclination (i) | 13.322° |
| Longitude of the ascending node (Ω) |
183.115° |
| Argument of perihelion (ω) |
50.003° |
| Mean anomaly (M) | 271.717° |
| Physical characteristics D | |
| Dimensions | 63.0 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 |
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.
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