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Impact disruption of gravity-dominated bodies: New simulation data and scaling
2016
Icarus (New York, N.Y. 1962)
We present results from a suite of 169 hydrocode simulations of collisions between planetary bodies with radii from 100 to 10 0 0 km. The simulation data are used to derive a simple scaling law for the threshold for catastrophic disruption, defined as a collision that leads to half the total colliding mass escaping the system post impact. For a target radius 100 ≤ R T ≤ 10 0 0km and a mass M T and a projectile radius r p ≤ R T and mass m p we find that a head-on impact with velocity magnitude v
doi:10.1016/j.icarus.2016.04.018
fatcat:2ss7bmidxndw3o3ely4fftuej4