This session will focus on studies of outer planet satellites including both single objects as well as satellite systems. We solicit presentations related to (1) surface geology and physical properties, (2) interior structure and evolution, (3) oceans and habitability of icy moons, (4) rotational and orbital states, and (5) dynamics and evolution of satellite systems. We also encourage papers that investigate comparative studies among different satellites. The session welcomes theoretical investigations, laboratory studies, ground-based observations and analysis of data from space missions.