Francis Nimmo¹, Ryan S Park², Robert Jacobson³, Luis Gomez Casajus⁴, Anton Ermakov⁵, James Tuttle Keane⁶, William B McKinnon⁷, David J. Stevenson⁸, Ryu Akiba⁹, Dr. Benjamin Idini¹⁰, Dustin Buccino¹¹, Andrea Magnanini¹², Marzia Parisi¹¹, Paolo Tortora⁴, Marco Zannoni⁴, Alessandro Mura¹³, Daniele Durante¹⁴, Luciano Iess¹⁵, John E P Connerney¹⁶, Steven Levin³ and Scott J Bolton¹⁷, (1)University of California, Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, United States, (2)NASA Jet Propulsion Laboratory, La Cañada Flintridge, United States, (3)Jet Propulsion Laboratory, Pasadena, United States, (4)University of Bologna, Department of Industrial Engineering, Forlì, Italy, (5)Stanford University, Department of Aeronautics and Astronautics, Stanford, United States, (6)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States, (7)Washington University in Saint Louis, Saint Louis, United States, (8)California Institute of Technology, Pasadena, CA, United States, (9)University of California Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, United States, (10)UC Santa Cruz, Santa Cruz, United States, (11)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (12)University of Bologna, Department of Industrial Engineering, Bologna, Italy, (13)IAPS-INAF, Rome, Italy, (14)Sapienza University of Rome, Rome, Italy, (15)Univ. La Sapienza, Roma, Italy, (16)Space Research Corporation, Annapolis, United States, (17)Southwest Research Institute, San Antonio, United States