Scott J Bolton¹, Zhimeng Zhang², Shannon T. Brown³, Steven Levin⁴, Anton Ermakov⁵, Ryu Akiba⁶, Jonathan I Lunine⁴, Kevin P Hand⁴, James Tuttle Keane⁷, Sidharth Misra⁸, David J Stevenson⁹, Matthew A Siegler¹⁰, William B McKinnon¹¹ and Paul Hartogh¹², (1)Southwest Research Institute, San Antonio, TX, United States, (2)California Institute of Technology, Department of Geological and Planetary Sciences, Pasadena, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)Jet Propulsion Laboratory, Pasadena, United States, (5)Stanford University, Department of Aeronautics and Astronautics, Stanford, United States, (6)University of California Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (8)NASA Jet Propulsion Laboratory, Pasadena, United States, (9)California Institute of Technology, Pasadena, United States, (10)University of Hawaii at Manoa, Honolulu, United States, (11)Washington University in Saint Louis, Saint Louis, United States, (12)MPI for Solar System Research, Katlenburg-Lindau, Germany