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2 Pallas

Minor Planet Designation2 Pallas
Asteroid GroupMain Asteroid Belt (Pallas family)
Orbital Period11.8 years
Distance from the SunSemi-Major Axis: 414,626,371 km (2.77 AU)
Perihelion: 318,734,225 km (2.13 AU)
Aphelion: 510,518,516 km (3.41 AU)
Diameter (Mean)512 kilometres
NotesPallas was the second asteroid to be discovered, and isthe third largest and most massive after Ceres and Vesta. In shape it is a flattened ellipsoid: its diameter along its longest axis is some 550 km, while along its shortest axis it measures a distance some 74 km shorter.

Asteroid Pallas has a rather irregular form, but is nearly spherical in shape.

Pallas is the second largest of the Solar System's asteroids, but is considerably smaller than the largest, Ceres, to which it is in many ways similar. It pursues a curious orbit, inclined at some 35° to the main Asteroid Belt.


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