*Seongjoong Kim¹、Hideko Nomura¹、Takashi Tsukagoshi²、Ryohei Kawabe^2,3,4、Takayuki Muto⁵ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology、2.National Astronomical Observatory of Japan、3.The Graduate University for Advanced Studies (SOKENDAI)、4.Department of Astronomy, School of Science, University of Tokyo、5.Division of Liberal Arts, Kogakuin University)