Abstract. The possibility to use orbital stage of launch vehicle as a platform for the piggy back launch of either single or cluster of nanosatellites is considered. The program of the nanosatellites separation from an orbital stage is anticipated to provide a basis for the safe movement of nanosatellites after their group deployment. A special attention is given to the fact that after separation of the main payload, the orbital stage obtains the angular velocity, the value and direction of which is not known. Results of statistical analysis have allowed developing of a method of selecting the nanosatellites separation parameters (the velocity and time of separation). The separated values of the parameters ensure exclusion of the possibility of nanosatellites collision and reduce the satellites dispersion by a predetermined distance. Results of statistical modeling carried out for nanosatellites launching from carrier rocket Soyuz orbital stage are presented.

Keywords: nanosatellite group, orbital stage, launch vehicle, cluster launch, safe motion, separation program

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