Snapshots of the cohesionless, high-resolution Phobos case, in a coorbiting frame looking down from Phobos spin pole with Mars oriented to the left. Each frame indicates the simulation time, orbital distance, and orbital period (which equals Phobos spin period). The particle colors indicate their net acceleration magnitude relative to Phobos’ center of mass. Several mass shedding events occur starting at ~2.25 R_M until Phobos is finally disrupted at ~2.09 R_M. There are many mass shedding events in addition to the three shown in this figure and we refer the reader to the animated version of this figure (online).