Autonomous optical guidance and navigation strategy around a small body.

Details Autonomous optical guidance and navigation strategy around a small body. Autonomous optical guidance and navigation strategy around a small body.

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jgcd...20.1010k&link_type=abstract

J. Guid. Control Dyn., Vol. 20, No. 5, p. 1010 - 1017

Physics

Space Missions: Navigation, Space Missions: Guide Systems, Space Missions: Minor Planets

Scientific paper

An impending demand for exploring small bodies such as comets and asteroids initiated the Japanese MUSES-C mission to the near-Earth asteroid Nereus, where it will touch down on the surface. Autonomous optical guidance and navigation strategies around the asteroid are discussed. An aligned intercept guidance that enables the approach from the prescribed direction is built, together with some important guidance properties associated with it. Among them, a combined range-estimation technique using corrections without a range sensor is derived. The robust feature of the closed-loop guidance scheme is stressed. For the first time concrete strategies for such missions to small bodies are presented.

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