Numerical simulations suggest asteroids (101955) Bennu and (162173) Ryugu are likely second or later generation rubble pilesDOI: info:10.1038/s41467-024-49310-0v. 15No. 1
Walsh, K. J., Ballouz, R-L, Bottke, W. F., Avdellidou, C., Connolly Jr, H. C., Delbo, M., DellaGiustina, D. N., Jawin, E. R., McCoy, Timothy J., Michel, P., Morota, T., Nolan, M. C., Schwartz, S. R., Sugita, S., and Lauretta, D. S. 2024. "Numerical simulations suggest asteroids (101955) Bennu and (162173) Ryugu are likely second or later generation rubble piles." Nature Communications, 15, (1). https://doi.org/10.1038/s41467-024-49310-0.