Albert S Yen¹, Lucy M Thompson², Ralf Gellert³, Jeff A Berger⁴, David Frederick Blake⁵, Michael McCraig⁴, Douglas W Ming⁶, Richard V Morris⁶, Shaunna M Morrison⁷, Catherine O'Connell-Cooper², John G Spray², Scott VanBommel⁸ and David Vaniman⁹, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)University of New Brunswick, Fredericton, NB, Canada, (3)University of Guelph, Guelph, ON, Canada, (4)University of Guelph, Guelph, Canada, (5)NASA Ames Research Center, Moffett Field, CA, United States, (6)NASA Johnson Space Center, Houston, TX, United States, (7)Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States, (8)Washington University in St. Louis, St. Louis, United States, (9)Planetary Science Institute, Tuscon, CA, United States