Kerry Cawse-Nicholson¹, Evan Davis¹, Zoe Pierrat¹, Nicoletta Stork², Luciana Alves³, Kathleen Grant⁴, David R Thompson⁵, Philip G Brodrick⁵, Moses Azong Cho⁶, Abel Ramoelo⁷, Philemon Tsele⁸, Nobuhle Majozi⁶, Cecilia Masemola⁹ and Simon Ferrier¹⁰, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (2)Arizona State University, Tempe, United States, (3)University of California Los Angeles, Los Angeles, United States, (4)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (5)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (6)Council for Scientific and Industrial Research, Pretoria, South Africa, (7)South African National Space Agency, Pretoria, South Africa, (8)University of Pretoria, Pretoria, South Africa, (9)Council for Scientific and Industrial Research, Johannesburg, South Africa, (10)Commonwealth Scientific and Industrial Research Organisation, Canberra, Australia