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astro-ph.EP2026
The Material Point Method (MPM) for simulating hypervelocity impact on asteroids
Xiaoran Yan, Patrick Michel, Ruichen Ni +2
Shock-physics numerical codes are essential tools for describing the short but extreme fragmentation stage of the hypervelocity impact process on asteroids. However, accurately rep…
astro-ph.EP2024
The cumulation of debris clouds around a fast-rotating asteroid
Chenyang Huang, Yang Yu, Zhijun Song +3
The rotational mass loss has been realized to be a prevalent mechanism to produce low-speed debris near the asteroid, and the size composition of the asteroid's surface regolith ha…
astro-ph.EP2024
Asteroid Kamo`oalewa's journey from the lunar Giordano Bruno crater to Earth 1:1 resonance
Yifei Jiao, Bin Cheng, Yukun Huang +6
Among the nearly 30,000 known near-Earth asteroids (NEAs), only tens of them possess Earth co-orbital characteristics with semi-major axes 1 au. In particular, 469219 Kamo`oa…