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Asteroid (18) Melpomene

Orbital characteristics

Epoch 22-Mar-2018 (2458200.5 JD)
Apoapsis2.7973 AU
4.1846×108 km
Periapsis1.7936 AU
2.6832×108 km
Semi-major axis2.2954 AU
3.4339×108 km
Eccentrity0.2186192
Inclination10.132 °
Longitude of asc. node150.46 °
Argument of periapsis227.84 °
Orbital period1270.26 days
3.478 years
Avg. orbital speed19.42 km/s

Physical characteristics

Mean diameter139.59 km
Rotation period (sidereal)11.570 hours
Albedo0.181
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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: 11 May 2018