Origin of Phobos and Deimos by the impact of a Vesta-to-Ceres sized body with Mars

  title={Origin of Phobos and Deimos by the impact of a Vesta-to-Ceres sized body with Mars},
  author={Robin M. Canup and Julien J. Salmon},
  journal={Science Advances},
Phobos and Deimos are likely remnants of a low-mass disk generated by the impact of a Vesta to Ceres-sized body with Mars. It has been proposed that Mars’ moons formed from a disk produced by a large impact with the planet. However, whether such an event could produce tiny Phobos and Deimos remains unclear. Using a hybrid N-body model of moon accumulation that includes a full treatment of moon-moon dynamical interactions, we first identify new constraints on the disk properties needed to… 

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