Shape and geophysical properties of the asteroid Ryugu from initial observations by Hayabusa2
Naru Hirata1, Naoyuki Hirata2, Sayuri Tanaka2, Naoki Nishikawa2, Takaaki Sugiyama1, Robert W Gaskell3, Eric E Palmer4, Rina Noguchi5, Yuri Shimaki6, Koji Matsumoto7, Hiroki Senshu8, Yukio Yamamoto9, Shin-ya Murakami10, Yoshiaki Ishihara11, Seiji Sugita12, Yuichi Tsuda11 and Seiichiro Watanabe13, (1)University of Aizu, Aizu-Wakamatsu, Japan, (2)Kobe University, Kobe, Japan, (3)Planetary Science Institute Tucson, Tucson, AZ, United States, (4)Planetary Science Institute, Tucson, AZ, United States, (5)ISAS/JAXA, Sagamihara, Japan, (6)JAXA, Sagamihara, Japan, (7)National Astronomical Obs, Oshu, Iwate, Japan, (8)Chiba Institute of Technology, Narashino, Japan, (9)ISAS Institute of Space and Astronautical Science, Kanagawa, Japan, (10)ISAS/JAXA, Sagamihara, Kanagawa, Japan, (11)Japan Aerospace Exploration Agency, Sagamihara, Japan, (12)University of Tokyo, Tokyo, Japan, (13)Nagoya Univ., Nagoya, Japan
