*Sei-ichiro WATANABE^1,5, Masatoshi Hirabayashi², Naru Hirata³, Naoyuki Hirata⁴, Rina Noguchi⁵, Yuri Shimaki⁵, Hitoshi Ikeda⁶, Eri Tatsumi⁷, Makoto Yoshikawa⁵, Shota Kikuchi⁵, Hikaru Yabuta⁸, Tomoki Nakamura⁹, Shogo Tachibana^7,5, Yoshiaki Ishihara¹⁰, Tomokatsu Morota¹, Kohei Kitazato³, Naoya Sakatani⁵, Koji Matsumoto^11,12, Koji Wada¹³, Hiroki Senshu¹³, Chikatoshi Honda³, Tatsuhiro Michikami¹⁴, Hiroshi Takeuchi⁵, Toru Kouyama¹⁵, Rie Honda¹⁶, Robert Gaskell¹⁷, Eric Palmer¹⁷, Olivier S. Barnouin¹⁸, Patrick Michel¹⁹, Paul Abell²⁰, Yukio Yamamoto⁵, Satoshi Tanaka⁵, Kei Shirai⁵, Moe Matsuoka⁵, Seiji Sugita^5,7, Tatsuaki Okada⁵, Noriyuki Namiki¹¹, Masahiko Arakawa⁴, Masateru Ishiguro²¹, Kazunori Ogawa⁴, Fuyuto Terui⁵, Takanao Saiki⁵, Satoru Nakazawa⁵, Yuichi Tsuda⁵, Hayabusa2 Science Team (1.Division of Earth and Planetary Sciences, Graduate School of Science, Nagoya University, 2.Auburn University, 3.University of Aizu, 4.Kobe University, 5.ISAS, JAXA, 6.Research and Development Directorate, JAXA, 7.University of Tokyo, 8.Hiroshima University, 9.Tohoku University, 10.National Institute for Environmental Studies, 11.National Astronomical Observatory of Japan, 12.SOKENDAI, 13.Chiba Institute of Technology, 14.Kindai University, 15.National Institute of Advanced Industrial Science and Technology, 16.Kochi University, 17.Planetary Science Institute, 18.John Hopkins University, 19.Universite Cote d'Azur, Observatorie de la Cote d'Azur, 20.NASA, Johnson Space Center, 21.Seoul National University)