Bennu’s near-Earth lifetime of 1.75 million years inferred from craters on its boulders

Nature, Published online: 26 October 2020; doi:10.1038/s41586-020-2846-z

Analysis of the size and depth of craters on boulders on the asteroid (101955) Bennu indicates that Bennu has been in near-Earth space for 1.75 ± 0.75 million years.