*Toshiki Koga¹, Yasuhiro Oba², Yoshinori Takano¹, Hiroshi Naraoka³ (1.Japan Agency for Marine-Earth Science and Technology, 2.Institute of Low Temperature Science, Hokkaido University, 3.Department of Earth and Planetary Sciences, Kyushu University)

*Yuta Hirakawa¹, Toshiki Koga¹, Daniel P. Glavin², Jason P. Dworkin², Hiroshi Naraoka³, Naohiko Ohkouchi¹, Yoshinori Takano¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.NASA Goddard Space Flight Center, 3.Kyushu university)

*Haruna Sugahara¹, Yoshinori Takano², Yasuhiro Oba³, Fumie Kabashima⁴, Jason P. Dworkin⁵, Jose C. Aponte⁵, Hiroshi Naraoka⁶, The Hayabusa2-Initial-Analysis SOM Team (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.Japan Agency for Marine-Earth Science and Technology, 3.Institute of Low Temperature Science, Hokkaido University, 4.LECO Japan, 5.Solar System Division, NASA Goddard Space Flight Center, 6.Faculty of Sciences, Kyushu University)

*Matsumoto Yukako¹, Shogo Tachibana^1,2, Yuta Hirakawa³, Toshiki Koga³, Yoshinori Takano³ (1.The University of Tokyo, 2.JAXA/ ISAS, 3.Japan Agency for Marine-Earth Science and Technology)

*Hiroki Furuta¹, Toshiki Koga², Yoshinori Takano², Shogo Tachibana¹ (1.The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology)

*Nanako O. Ogawa¹, Naoto F. Ishikawa¹, Yoko Sasaki¹, Yoshinori Takano¹, Naohiko Ohkouchi¹ (1.Japan Agency for Marine-Earth Science and Technology)

*Toshihiro Yoshimura¹, Daisuke Araoka², Hiroshi Naraoka³, Saburo Sakai¹, Nanako O. Ogawa¹, Hisayoshi Yurimoto⁴, Mayu Morita⁵, Morihiko Onose⁵, Tetsuya Yokoyama⁶, Martin Bizzarro⁷, Satoru Tanaka⁵, Naohiko Ohkouchi¹, Toshiki Koga¹, Jason P. Dworkin⁸, Tomoki Nakamura⁹, Takaaki Noguchi¹⁰, Ryuji Okazaki³, Hikaru Yabuta¹¹, Kanako Sakamoto¹², Toru Yada¹², Masahiro Nishimura¹², Aiko Nakato¹², Akiko Miyazaki¹², Kasumi Yogata¹², Masanao Abe¹², Tatsuaki Okada¹², Tomohiro Usui¹², Makoto Yoshikawa¹², Takanao Saiki¹², Satoshi Tanaka¹², Fuyuto Terui¹³, Satoru Nakazawa¹², Sei-ichiro WATANABE¹⁴, Yuichi Tsuda¹², Shogo Tachibana^15,12, Yoshinori Takano¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.Kyushu University, 4.Hokkaido University, 5.HORIBA Techno Service Co., Ltd, 6.Institute of Science Tokyo, 7.University of Copenhagen, 8.NASA Goddard Space Flight Center, 9.Tohoku University, 10.Kyoto University, 11.Hiroshima University, 12.Japan Aerospace Exploration Agency, 13.Kanagawa Institute of Technology, 14.Nagoya University, 15.University of Tokyo)

*Hiroki Nishimura^1,2, Atsushi Urai^1,3, Yohei Matsui¹, Toshihiro Yoshimura¹, Miyuki Ogawara¹, Hiroyuki Imachi¹, Yosuke Miyairi², Yusuke Yokoyama^2,1, Yuichi Miyabara³, Yoshio Takahashi², Yoshinori Takano¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.The University of Tokyo, 3.Shinshu University)