Petr Pokorny, Catholic University of America, Department of Physics, Washington, DC, United States, Diego Janches, NASA/GSFC, Greenbelt, MD, United States, Menelaos Sarantos, Goddard Earth Sciences and Technology Center, Greenbelt, MD, United States, Jamey R Szalay, Princeton University, Department of Astrophysical Sciences, Princeton, NJ, United States, Mihaly Horanyi, University of Colorado at Boulder, Department of Physics, Boulder, CO, United States, David Nesvorny, Southwest Research Institute Boulder, Boulder, CO, United States and Marc Jason Kuchner, NASA Goddard Space Flight Center, Greenbelt, MD, United States