Roger Fjørtoft, Centre National d’Etudes Spatiales, France; Curtis Chen, Alexander Corben, Shailen D. Desai, Jet Propulsion Laboratory, California Institute of Technology, United States; Damien Desroches, Nicolas Picot, Claire Pottier, Centre National d’Etudes Spatiales, France; Cassie Stuurman, Brent Williams, Xiaoqing Wu, Jet Propulsion Laboratory, California Institute of Technology, United States