Edward Dubinin¹, Ronan Modolo², Markus Fraenz³, Martin Paetzold⁴, Lihui Chai⁵, Yong Wei⁵, John E P Connerney⁶, Gina A DiBraccio⁷, Jared R Espley⁸, James P McFadden⁹, Elena E. Grigorenko¹⁰ and Lev M Zelenyi¹¹, (1)Max Planck Institute for Solar System Research, Gottingen, Germany, (2)UVSQ / LATMOS-IPSL/CNRS-INSU, Guyancourt, France, (3)Max Planck Institute for Solar System Research, Göttingen, Germany, (4)University of Cologne; Rheinisches Institut fuer Umweltforschung (RIU), Department of Planetary Research, Cologne, Germany, (5)Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)University of Michigan, Ann Arbor, MI, United States, (8)Goddard Space Flight Center, Greenbelt, MD, United States, (9)Univ California Berkeley, Berkeley, CA, United States, (10)Space Research Institute of RAS, Moscow, Russia, (11)Space Research Institute of the Russian Academy of Sciences (IKI), Moscow, Russia