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A collision in 2009 as the origin of the debris trail of asteroid P/2010A2

Carry, Benoit; Weissman, Paul R.; Tubiana, Cecilia +16 more

The peculiar object P/2010A2 was discovered in January 2010 and given a cometary designation because of the presence of a trail of material, although there was no central condensation or coma. The appearance of this object, in an asteroidal orbit (small eccentricity and inclination) in the inner main asteroid belt attracted attention as a potentia…