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Chnadrayan 1, Shackleton Crator , Moon Impact Probe, Motion components, MATLAB

The present paper is an attempt to know the motions characteristics associated with descending motion of MIP, a probe on board Chandrayan -1 designed to impact moon surface at pre decided location for scientific data collection from close range. For this , three independent motions viz.; spinning ,coning and translations were considered for a falling object and algorithms have been developed under MATLAB to simulate the surface trace from assumed parameters. Similar surface traces were generated using the time sequential images acquired by the descending MIP to moon surface without considering the three fundamentals motions as in first case. It has been observed that the two moon surface trace are quite similar which supports our assumptions of three above said independent motions. Such study is expected to provide a basis to choose suitable motion parameters for future MIP release to moon surface.