Spin-driven evolution of asteroids' top-shapes at fast and slow spins seen from (101955) Bennu and (162173) Ryugu

Masatoshi Hirabayashi, Ryota Nakano, Eri Tatsumi, Kevin J. Walsh, Olivier S. Barnouin, Patrick Michel, Christine M. Hartzell, Daniel T. Britt, Seiji Sugita, Sei ichiro Watanabe, William F. Bottke, Daniel J. Scheeres, Ronald Louis Ballouz, Yuichiro Cho, Tomokatsu Morota, Ellen S. Howell, Dante S. Lauretta