Jolanta Nastula¹, T. Mike Chin², Richard S Gross², Justyna Śliwińska¹ and Malgorzata Wińska³, (1)Space Research Centre of Polish Academy of Sciences, Warsaw, Poland, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)Institute of Roads and Bridges, Warsaw University of Technology, Warsaw, Poland