Matthias Grott¹, Ralf Jaumann², Karl-Heinz Glassmeier³, J.-P. Bibring⁴, T.-M. Ho⁵, David Hercik³, Hans Ulrich Auster³, Jens Biele⁶, Lorda Laurence⁷, Aurelie Moussi⁷, Maximiliam Hamm⁸, Knollenberg Joerg⁹, Nicole Schmitz¹⁰, Stefan Schroeder^10,11, Katharina A. Otto¹², Christian Krause¹³, Cedric Pilorget¹⁴, Vincent Hamm¹⁴, Hajime Yano¹⁵, Tatsuaki Okada¹⁶, Naoya Sakatani¹⁷, Reill Josef¹⁸, Kaname Sasaki¹⁹, Markus Schlotterer¹⁹, Yuichi Tsuda¹⁶, Stephan Ulamec⁶, Friederike Wolff¹⁸, Patrick Michel²⁰, Marco Delbo²¹, Kazunori Ogawa²², Hiroki Senshu²³, Frank Preusker²⁴, Frank Scholten⁹, Stefan Elgner⁹, Stefano Mottola⁹, Ekkehard Kuhrt²⁵, Takanao Saiki¹⁶ and Yuya Mimasu²⁶, (1)German Aerospace Ctr DLR, Berlin, Germany, (2)German Aerospace Ctr, Berlin, Germany, (3)Technische Universität Braunschweig, Braunschweig, Germany, (4)Univ. de Paris Sud-Orsay, IAS, Orsay, France, (5)German Aerospace Center DLR Bremen, Bremen, Germany, (6)German Aerospace Center DLR Cologne, Cologne, Germany, (7)National Centre for Space Studies, CNES, Toulouse, France, (8)German Aerospace Center DLR, Berlin, Germany, (9)German Aerospace Center (DLR), Berlin, Germany, (10)German Aerospace Center DLR Berlin, Berlin, Germany, (11)Aix Marseille University, Marseille Cedex 03, France, (12)German Aerospace Centre (DLR), Berlin, Germany, (13)German Aerospace Center, DLR, Cologne, Greece, (14)IAS Institut d'Astrophysique Spatiale, Orsay Cedex, France, (15)JAXA, Institute of Space and Astronautical Science, Sagamihara, Japan, (16)JAXA, Sagamihara, Japan, (17)ISAS/JAXA, Sagamihara, Japan, (18)German Aerospace Center, DLR, Oberpfaffenhofen, Germany, (19)German Aerospace Center, DLR, Bremen, Germany, (20)UNS-CNRS-Observatoire de la Cote d'Azur, Laboratoire Lagrange, NIce, France, (21)CNRS, Paris Cedex 16, France, (22)Center for Planetary Science, Kobe University, Kobe, Japan, (23)Chiba Institute of Technology, Chiba, Japan, (24)German Aerospace Center DLR Berlin, Department of Planetary Geodesy, Berlin, Germany, (25)DLR, Berlin, Germany, (26)JAXA Japan Aerospace Exploration Agency, Sagamihara, Japan