*Toshihiro Yoshimura¹, Yoshinori Takano¹, Hiroshi Naraoka², Toshiki Koga¹, Daisuke Araoka³, Nanako O. Ogawa¹, Philippe Schmitt-Kopplin^4,5, Norbert Hertkorn⁴, Yasuhiro Oba⁶, Jason P. Dworkin⁷, José C. Aponte⁷, Takaaki Yoshikawa⁸, Satoru Tanaka⁹, Naohiko Ohkouchi¹, Minako Hashiguchi¹⁰, Hannah McLain⁷, Eric T. Parker⁷, Saburo Sakai¹, Mihoko Yamaguchi¹¹, Takahiro Suzuki¹¹, Tetsuya Yokoyama¹², Hisayoshi Yurimoto⁶, Tomoki Nakamura¹³, Takaaki Noguchi¹⁴, Ryuji Okazaki², Hikaru Yabuta¹⁵, Kanako Sakamoto¹⁶, Toru Yada¹⁶, Masahiro Nishimura¹⁶, Aiko Nakato¹⁶, Akiko Miyazaki¹⁶, Kasumi Yogata¹⁶, Masanao Abe¹⁶, Tatsuaki Okada¹⁶, Tomohiro Usui¹⁶, Makoto Yoshikawa¹⁶, Takanao Saiki¹⁶, Satoshi Tanaka¹⁶, Fuyuto Terui¹⁷, Satoru Nakazawa¹⁶, Sei-ichiro Watanabe¹⁶, Yuichi Tsuda¹⁶, Shogo Tachibana^18,16, Hayabusa2-initial-analysis SOM team (1.Japan Agency for Marine-Earth Science and Technology, 2.Kyushu University, 3.National Institute of Advanced Industrial Science and Technology, 4.Helmholtz Zentrum München, 5.Technische Universität München, 6.Hokkaido University, 7.NASA Goddard Space Flight Center, 8.HORIBA Advanced Techno, 9.HORIBA Techno Service Co., 10.Nagoya University, 11.Thermo Fisher Scientific Inc., 12.Tokyo Institute of Technology, 13.Tohoku University, 14.Kyoto University, 15.Hiroshima University, 16.Japan Aerospace Exploration Agency, 17.Kanagawa Institute of Technology, 18.University of Tokyo)

*Toru Matsumoto¹, Takaaki Noguchi¹, Akira Miyake¹, Yohei Igami¹, Toru Yada², Aiko Nakato³, Megumi Matsumoto⁴, Masayuki Uesugi⁵, Masahiro Yasutake⁵, Akihisa Takeuchi⁵, Kentaro Uesugi⁵ (1.Kyoto Univ., 2.JAXA, 3.NIPR, 4.Tohoku Univ., 5.JASRI)

Taro Ando¹, *Takaaki Noguchi¹, Yohei Igami¹, Akira Yamaguchi², Toru Matsumoto¹, Ko Hashizume³, Takayuki Ushikubo⁴, Shoichi Itoh¹ (1.Kyoto University, 2.NIPR, 3.Ibaraki University, 4.JAMSTEC)

*Haruka Oono¹, Akira Tsuchiyama¹, Megumi Matsumoto², Akira Miyake³, Yohei Igami³, Junya Matsuno⁴, Tomoki Nakamura², Masahiro Yasutake⁵, Kentaro Uesugi⁵, Akihisa Takeuchi⁵, Shogo Tachibana⁶ (1.Research Organization of Science and Technology, Ritsumeikan University, 2.Tohoku University, 3.Kyoto University, 4.Kushu University, 5.SPring-8/JASRI, 6.University of Tokyo)

*Akira Tsuchiyama^1,2, Megumi Matsumoto³, Haruka Ono¹, Junya Matsuno⁴, Akira Miyake⁵, Yohei Igami⁵, Tomoki Nakamura³, Masahiro Yasutake⁶, Kentaro Uesugi⁶, Akihisa Takeuchi⁶, Shogo Tachibana⁷ (1.Research Organization of Science and Technology, Ritsumeikan University, 2.Gunagzhou Institute of Geochemistry, Chinese Academy of Science, 3.Graduate School of Science, Tokyo University, 4. faculty of Engeering, Kyushu University, 5.Graduate School of Science, Kyoto University, 6.SPring-8, Japan Synchrotron Radiation Research Institute, 7.Department of Earth and Planetary Science, The University of Tokyo)

*Noriyuki Kawasaki¹, Naoya Sakamoto¹, Yushi Miyamoto¹, Ken-ichi Bajo¹, Barnes Jessica², Ann Nguyen³, Connolly C. Connolly^2,4, Dante S. Lauretta², Hisayoshi Yurimoto¹ (1.Hokkaido University, 2.The University of Arizona, 3.ARES, NASA Johnson Space Center, 4.Rowan Univeristy)