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Asteroid (16) Psyche

Orbital characteristics

Epoch 4-Sep-2017 (2458000.5 JD)
Apoapsis3.3203 AU
4.967×108 km
Periapsis2.5311 AU
3.7865×108 km
Semi-major axis2.9257 AU
4.3768×108 km
Inclination3.0975 °
Longitude of asc. node150.26 °
Argument of periapsis227.55 °
Orbital period1827.87 days
5.004 years
Avg. orbital speed17.33 km/s

Physical characteristics

Mean diameter226.00 km
Extent279  x 232  x 189 km
Mass2.293×1019 kg
Avg. density3.794 g/cm3
Equatorial surface gravity0.120 m/s2
0.012 g
Escape velocity0.165 km/s
Rotation period (sidereal)4.1959 hours



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: 25 Feb 2018