1. Ecole Polytechnique Federale de Lausanne, 27218 Lausanne, Vaud, Switzerland, CH-1015 (e-mail: kevin.holdcroft@epfl.ch)
2. Mechanical Engineering, Ecole Polytechnique Federale de Lausanne, 27218 Lausanne, Switzerland, 1015 (e-mail: christoph.belke@epfl.ch)
3. Guidance Navigation & Control, Attitude Orbit Control & Pointing Systems Division, ESTEC, 55957 Noordwijk, South Holland, Netherlands, 2200 AG (e-mail: Samir.Bennani@esa.int)
4. Department of Mechanical Engineering, EPFL (cole polytechnique fdrale de Lausanne), lausanne, Switzerland, 1015 (e-mail: jamie.paik@epfl.ch)