Benjamin T Greenhagen¹, Chanud N Yasanayake¹, Kerri Donaldson Hanna², Neil E Bowles³ and Paul G Lucey⁴, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)University of Central Florida, Orlando, United States, (3)University of Oxford, Oxford, United Kingdom, (4)Hawaii Inst Geophys & Planetol, Honolulu, HI, United States