*Kevin John Walsh¹、Ronald Ballouz²、William F Bottke¹、Chrysa Avdellidou³、Harold C Connolly Jr.⁴、Marco Delbo³、Daniella N DellaGiustina²、Erica R Jawin⁵、Timothy McCoy⁵、Patrick Michel³、Tomokatsu Morota⁶、Michael C Nolan²、Steven R Schwartz²、Seiji Sugita⁶、Dante S Lauretta² (1.Southwest Research Institute Boulder、2.Lunar and Planetary Laboratory, University of Arizona、3.Laboratoire Lagrange, Université Côte d’Azur、4.Dept. of Geology, Rowan University、5.Smithsonian Institution National Museum of Natural History、6.University of Tokyo)