*Keiko Yamamoto1, Koji Matsumoto1, Toshimichi Otsubo2, Noriyuki Namiki1, Hayabusa2 Astrodynamics Team (1.National Astronomical Observatory of Japan, 2.Hitotsubashi University)
convener:Keiko Yamamoto(National Astronomical Observatory of Japan), Takayuki Miyazaki(Geospatial Information Authority of Japan), Chairperson:Takayuki Miyazaki(Geospatial Information Authority of Japan), Chairperson:Toshiyuki Tanaka(Tono Research Institute of Earthquake Science, Association for the Development of Earthquake Prediction)