257 Silesia

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257 Silesia
257Silesia (Lightcurve Inversion).png
A three-dimensional model of 257 Silesia based on its light curve.
Discovery
Discovered by Johann Palisa
Discovery date April 5, 1886
Designations
Named after
Silesia
1929 DD, 1952 FL1,
1952 HU
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 521.721 Gm (3.487 AU)
Perihelion 410.669 Gm (2.745 AU)
466.195 Gm (3.116 AU)
Eccentricity 0.119
2009.341 d (5.5 a)
16.87 km/s
2.013°
Inclination 3.648°
34.893°
24.727°
Physical characteristics
Dimensions 73.0 km
Mass unknown
Mean density
unknown
unknown
unknown
15.7095 h
Albedo 0.0545
Temperature unknown
Spectral type
unknown
9.47

257 Silesia is a large Main belt asteroid.

It was discovered by Johann Palisa on April 5, 1886 in Vienna.

It is named after Silesia, a region of the Central Europe.

Little data is available on it.

References[edit]