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Recent collisional history of (65803) Didymos

Lucchetti, Alice; Pajola, Maurizio; Michel, Patrick +7 more

The Double Asteroid Redirection Test (DART, NASA) spacecraft revealed that the primary of the (65803) Didymos near-Earth asteroid (NEA) binary system is not exactly the expected spinning top shape observed for other km-size asteroids. Ground based radar observations predicted that such shape was compatible with the uncertainty along the direction …