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Psyche

16 Psyche

Asteroid of the main Asteroid Belt

Minor Planet Designation	16 Psyche
Asteroid Group	Main Asteroid Belt
Asteroid Family	Not applicable
Composition Class	M-type (metallic)
Orbital Period	5 years
Distance from the Sun	Semi-Major Axis: 437,374,000 km (2.92 AU) Perihelion: 378,681,000 km (2.53 AU) Aphelion: 496,066,000 km (3.32 AU)
Eccentricity	0.1342
Diameter (Mean)	223 kilometres

With an elongated ellipsoid shape measuring more than 250 kilometres along its longest axis, Psyche is among the largest bodies in the Asteroid Belt. It is metallic in nature, with a surface apparently composed of iron and nickel.

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