Generation of asteroid flyby and rendez-vous trajectories

Details Generation of asteroid flyby and rendez-vous trajectories Generation of asteroid flyby and rendez-vous trajectories

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986inns.iafct....p&link_type=abstract

IAF, International Astronautical Congress, 37th, Innsbruck, Austria, Oct. 4-11, 1986. 8 p.

Computer Science

Numerical Analysis

Asteroid Missions, Flyby Missions, Rendezvous Trajectories, Trajectory Analysis, Astronomical Models, Boundary Value Problems, Numerical Analysis, Orbital Mechanics, Trajectory Optimization

Scientific paper

A technique for generating spacecraft trajectories for asteroid flyby and/or rendezvous missions is described and demonstrated. The method uses an initial-conditions-space approach with five parameters: launch date (LD), launch velocity (LV), two angles (LA and LD) determining launch-velocity orientation, and encounter date. Asteroids are preselected by analyzing clusters of points in LD-LV-LA-LD space or on equivalent LD and LV Cauchy planes and selected using feasibility criteria; useful-mass optimization and mission expansion in real space are then performed. Numerical results for missions to five, six, and nine bodies in the early 1990s and some sample rendezvous missions are presented in tables.

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