Abstract:

A key technology that facilitates the autonomy of the spacecraft is to realize the autonomous optical navigation, in which the selection of the navigation signpost and asteroids and the planning of the photoing sequence are important matters. This paper proposes criterions, including visible magnitude, distance, relative velocity and angle of sight lines, on selection of asteroids, based on the the trajectory scheme of exploring Ivar. Then navigation asteroids are selected under a integral evaluation.

Key words: autonomous , optical , navigation,  , asteroids , selection , and , planning,  , genetic , algorithm,  , difference , selection , method