Tom Nordheim, Jet Propulsion Laboratory, Pasadena, CA, United States, Leonardo Regoli, Mullard Space Science Laboratory, Dorking, United Kingdom, Camilla D K Harris, University of California Los Angeles, Los Angeles, CA, United States, Xianzhe Jia, University of Michigan, Ann Arbor, MI, United States, Jamie Matthew Jasinski, University College London, London, United Kingdom, Steven V Heuer, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Chris Paranicas, Applied Physics Lab, Laurel, MD, United States and Kevin P Hand, NASA Jet Propulsion Laboratory, Pasadena, CA, United States