*Tomoko ADACHI¹、Adrian SOUTHARD²、Gary BROWN³、Christopher JOHNSON³、Zach GONNSEN⁴、Lisa RIEMANN⁵、Ricardo AREVALO³、Veronica PINNICK³、Ryan DANELL³、William BRINCKERHOFF³、Paul MAHAFFY³ (1.Dept. of Physics, Catholic University of America, Washington, DC、2.University Space Reserch Association, Columbia, MD、3.NASA Goddard Space Flight Center, Greenbelt, MD、4.MICROTELL LLC., Winterville, NC、5.AS and D Inc., Greenbelt, MD)