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A solar system asteroid (No. 253), measuring 50 × 53 × 57 km; approximate mass 1017 kg; density 1.3 g/cm3; rotational period 417.7 hours; orbital period 4.32 years. It was imaged by the Near Earth Asteroid Rendezvous mission in June 1997, revealing five craters more than 20 km across, the largest being 30 km wide and 6 km deep.

Subjects: Astronomy and Astrophysics — Earth Sciences and Geography.

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