Philippe Henri Lognonné¹, Douglas G Currie², William M Folkner³, Patrick Gaulme⁴, Tristan Guillot⁵, Hubert Halloin⁶, Sharon Kedar⁷, David Mimoun⁸, Clive Robert Neal⁹, Mark P Panning¹⁰, Sebastien De Raucourt¹, David J Stevenson¹¹ and Renee C Weber¹², (1)Université de Paris, Institut de physique du globe de Paris, CNRS, Paris, France, (2)University of Maryland College Park, College Park, MD, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (4)Max Planck Institute for Solar System Research, Goettingen, Germany, (5)Observatoire de la Côte d’Azur, Nice, France, (6)University Denis Diderot Paris VII, Paris Cedex 13, France, (7)JPL, Pasadena, CA, United States, (8)ISAE, INSTITUT SUPERIEUR DE L'AERONAUTIQUE ET DE L'ESPACE, Toulouse, OCCITANIE, France, (9)Univ Notre Dame, Notre Dame, IN, United States, (10)Univ of FL-Geological Sciences, Gainesville, FL, United States, (11)California Institute of Technology, Pasadena, CA, United States, (12)NASA/NSSTC, Huntsville, AL, United States