Asteroid (257) Silesia

Orbital characteristics

Epoch 4-Sep-2017 (2458000.5 JD)
Apoapsis3.4685 AU
5.1888×108 km
Periapsis2.7732 AU
4.1486×108 km
Semi-major axis3.1208 AU
4.6687×108 km
Eccentrity0.1113994
Inclination3.6350 °
Longitude of asc. node34.366 °
Argument of periapsis27.933 °
Orbital period2013.74 days
5.513 years
Avg. orbital speed16.81 km/s

Physical characteristics

Mean diameter72.660 km
Rotation period (sidereal)15.710 hours
Albedo0.054
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Downloads

Models

Models are given in Stanford Triangle Format (PLY) and Alias Waveform Format (OBJ) - you can use MeshLab or any other tool to convert them to other formats.

Please note that the models are in planetocentric coordinate system, with Z axis passing through north pole. Actual rotational axis may differ from planetocentric poles, especially for small irregular bodies.


Surface Textures

This object does not have textures yet and is being displayed as a solid gray shape.

Last Modified: 23 Jul 2017