Replication data for: Sputnik Planitia as an impactor remnant indicative of an ancient rocky mascon in an oceanless Pluto

Data used to produce all figures presented in "Sputnik Planitia as an impactor remnant that conceals an ancient rocky mascon in an oceanless Pluto" (Ballantyne et al. 2024). "simulations.zip" contains all SPH simulation data for the presented impacts. "grids.zip" contains the spherical grids (derived from the SPH simulations) used to create the impactor distribution maps.