4:30 PM - 4:45 PM
*JR., Harold C. CONNOLLY1, Dante S. LAURETTA2, Shogo TACHIBANA1, Makoto YOSHIKAWA3 (1.Dept. of Natural History, Hokkaido Univ. Sapporo 060-0810, Japan, 2.LPL, Univ. of Arizona, Tucson, AZ 85721, USA, 3.ISAS, JAXA, Sagamihara, Kanagawa 252-5210 Japan)