256 Walpurga

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256 Walpurga
Discovery
Discovered by Johann Palisa
Discovery date3 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
Dimensions63.34±2.7  km
16.664  h (0.6943  d) [1]
16.64 h [2]
0.0530±0.005
9.9

    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.

    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]

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    References

    1. 1 2 "256 Walpurga". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 11 May 2016.
    2. 1 2 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.