256 Walpurga

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256 Walpurga
Discovery A
Discoverer Johann Palisa
Discovery date April 3, 1886
Alternate
designations
B
1951 VJ
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
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
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256 Walpurga is a quite large Main belt asteroid.

It was discovered by Johann Palisa on April 3, 1886 in Vienna and was named after Saint Walburga.

Not much is known about it.

[edit] References


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