256 Walpurga
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 3 April 1886 |
| Designations | |
| MPC designation | (256) Walpurga |
|
Named after
|
Saint Walpurga |
| 1951 VJ | |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 130.04 yr (47496 d) |
| Aphelion | 3.19960 AU (478.653 Gm) |
| Perihelion | 2.79984 AU (418.850 Gm) |
| 2.99972 AU (448.752 Gm) | |
| Eccentricity | 0.066634 |
| 5.20 yr (1897.7 d) | |
|
Average orbital speed
|
17.2 km/s |
| 352.098° | |
| 0° 11m 22.945s / day | |
| Inclination | 13.3281° |
| 182.937° | |
| 46.5713° | |
| Earth MOID | 1.80967 AU (270.723 Gm) |
| Jupiter MOID | 1.79613 AU (268.697 Gm) |
| Jupiter Tisserand parameter | 3.209 |
| Physical characteristics | |
| Dimensions | 63.34±2.7 km |
| 16.664 h (0.6943 d) 16.64 h |
|
| 0.0530±0.005 | |
| 9.9 | |
256 Walpurga is a large Main belt asteroid. It was discovered by Johann Palisa on 3 April 1886 in Vienna and was named after Saint Walburga.
Photometric observations at the Oakley Observatory in Terre Haute, Indiana, during 2007 were used to build a light curve for this asteroid. The asteroid displayed a rotation period of 16.64 ± 0.02 hours and a brightness variation of 0.38 ± 0.02 in magnitude.
...
Wikipedia