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256 Walpurga 
Summary
Walpurga (minor planet designation: 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.
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 3 April 1886 |
| Designations | |
| (256) Walpurga | |
| Pronunciation | /vælˈpɜːrɡə/ |
Named after | Saint Walpurga |
| A886 GA, 1951 VJ | |
| Main belt | |
| Orbital characteristics[1] | |
| 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) | |
| 352.098° | |
| 0° 11m 22.945s / day | |
| Inclination | 13.3281° |
| 182.937° | |
| 46.5713° | |
| Physical characteristics | |
| Dimensions | 63.34±2.7 km |
| 16.664 h (0.6943 d)[1] 16.64 h[2] | |
| 0.0530±0.005 | |
| 9.9 | |
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.[2]
References edit
- ^ a b "256 Walpurga". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ a b Shipley, Heath; et al. (September 2008), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: September 2007" (PDF), The Minor Planet Bulletin, vol. 35, no. 3, pp. 99–101, Bibcode:2008MPBu...35...99S, archived from the original (PDF) on 2 June 2013, retrieved 23 March 2013.
External links edit
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- 256 Walpurga at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 256 Walpurga at the JPL Small-Body Database
