Electric Solar Wind Sail Propulsion System Development

Pekka Janhunen∗, Petri Toivanen, Sini Merikallio and Jouni Polkko Finnish Meteorological Institute, Helsinki, POB 503, FI-00101, Finland Edward Haeggstrom, Henri Seppanen, Risto Kurppa, Jukka Ukkonen and Tuomo Ylitalo University of Helsinki, Department of Physics, Helsinki, Finland Sergiy Kiprich National Science Center Kharkov Institute of Physics and Technology, Kharkov, Ukraine Hannu Koivisto, Taneli Kalvas, Olli Tarvainen and Janne Kauppinen University of Jyvaskyla, Accelerator Laboratory, Jyvaskyla, Finland Greger Thornell, Henrik Kratz and Johan Sundqvist Angstrom Space Technology Centre, Uppsala Univesity, Sweden Tor-Arne Gronland, Hakan Johansson and Pelle Rangsten Nanospace, Uppsala, Sweden Emil Vinterhav OHB Sweden, Stockholm, Sweden Mart Noorma, Jouni Envall, Silver Latt, Viljo Allik and Kaupo Voormansik Tartu Observatory and University of Tartu, Estonia Urmas Kvell and Jean-Pierre Lebreton† ESA/ESTEC, Noordwijk, The Netherlands Martti Hallikainen and Jaan Praks Aalto University, Espoo, Finland Olaf Kromer and Roland Rosta German Aerospace Center DLR, Bremen, Germany Pekka Salminen Skytron Oy, Toijala, Finland Giovanni Mengali, Alessandro Quarta and Generoso Aliasi University of Pisa, Italy Salvo Marcuccio, Pierpaolo Pergola and Nicola Giusti Alta, Pisa, Italy