*Takaaki Noguchi^1,2, Toru Matsumoto¹, Akira Miyake¹, Yohei Igami¹, Mitsutaka Haruta¹, Hikaru Saito², Satoshi Hata², Yusuke Seto³, Masaaki Miyahara⁴, Naotaka Tomioka⁵, Akira Tsuchiyama^6,7,8, Masahiro Yasutake⁹, Junya Matsuno⁶, Shota Okumura¹, Itaru MITSUKAWA¹, Kentaro Uesugi⁹, Masayuki Uesugi⁹, Akihisa Takeuchi⁹, Satomi Enju¹⁰, Aki Takigawa¹¹, Tatsuhiro Michikami¹², Tomoki Nakamura¹³, Megumi Matsumoto¹³, Yusuke Nakauchi¹⁴, Hisayoshi Yurimoto¹⁵, Kazuhide Nagashima¹⁶, Noriyuki Kawasaki¹⁵, Naoya Sakamoto¹⁵, Ryuji Okazaki², Hiroshi Naraoka², Hikaru Yabuta⁴, Sakamoto Kanako¹⁴, Shogo Tachibana¹¹, Sei-ichiro WATANABE¹⁷, Yuichi Tsuda¹⁴, The Hayabusa2-initial-analysis Sand team (overseas members) (1.Kyoto University, 2.Kyushu University, 3.Kobe University, 4.Hiroshima University, 5.JAMSTEC, 6.Ritsumeikan University, 7.Guangzhou Institute Geochemistry, Chinese Academy of Science, 8.CAS Center for Excellence in Deep Earth Science, 9.JASRI, 10.Ehime University, 11.University of Tokyo, 12.Kindai University, 13.Tohoku University, 14.JAXA, 15.Hokkaido University, 16.University of Hawai‘i at Mānoa, 17.Nagoya University)

*Noriyuki Kawasaki¹, Kazuhide Nagashima², Naoya Sakamoto¹, Ken-ichi Bajo¹, Sohei Wada¹, Hisayoshi Yurimoto¹, The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.Hokkaido University, 2.University of Hawai‘i)

*Kazuhide Nagashima¹, Noriyuki Kawasaki², Naoya Sakamoto², Noriko Kita³, Kouki Kitajima³, Hisayoshi Yurimoto², - The Hayabusa2-initial-analysis chemistry team, - The Hayabusa2-initial-analysis core (1.Hawaii Institute of Geophysics and Planetology, University of Hawaii at Manoa, 2.Hokkaido University, 3.University of Wisconsin)

*Wataru Fujiya¹, Noriyuki Kawasaki², Kazuhide Nagashima³, Hisayoshi Yurimoto², The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.Ibaraki University, 2.Hokkaido University, 3.University of Hawai‘i)