1. Politecnico di Torino,Department of Mechanical and Aerospace Engineering,Turin,Italy,10129
2. Politecnico di Torino, CNR-IEIIT, Politecnico di Torino,Department of Mechanical and Aerospace Engineering,Torino,Italy,10129
3. Politecnico di Torino,Department of Electronics and Telecommunications,Turin,Italy,10129
4. European Space Agency,Guidance, Navigation and Control Section (TEC-SAG), ESTEC,Noordwijk,AZ,The Netherlands,2201