Andrew Rivkin¹, Eric MacLennan², Bryan Holler³, Thomas Müller⁴, Julien de Wit⁵, Artem Burdanov⁵, Maxime Devogele⁶, Petr Pravec⁷, Marco Micheli⁶, Cristina Thomas⁸, Davide Farnocchia⁹, Allison K Glantzberg¹⁰, Luca Conversi¹¹, Jessie Dotson¹², Lorien Wheeler¹³, Stefanie N Milam¹⁴ and Heidi B Hammel¹⁵, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (2)University of Helsinki, Helsinki, Finland, (3)Space Telescope Science Institute, Baltimore, United States, (4)Max Planck Insitute for Extraterrestrial Physics, Garching, Germany, (5)Massachusetts Institute of Technology, Cambridge, United States, (6)ESA NEOCC, Frascati, Italy, (7)Astronomical Institute, Academy of Sciences of the Czech Republic, Ondrejov, Czech Republic, (8)Northern Arizona University, Astronomy and Planetary Science, Flagstaff, United States, (9)NASA Jet Propulsion Laboratory, Pasadena, United States, (10)Applied Physics Laboratory Johns Hopkins, Laurel, United States, (11)NEOCC, Frascati, Italy, (12)NASA Ames Research Center, Moffett Field, United States, (13)NASA Ames Research Center, Moffett Field, CA, United States, (14)NASA Goddard Space Flight Center, Astrochemistry Laboratory, Greenbelt, United States, (15)Association of Universities for Research in Astronomy, Washington D.C., United States