AAS 95-444

Flight Dynamics Support for the Clementine Deep Space Program Science Experiment (DSPSE)

L. K. Newman and K. V. Richon, NASA Goddard Space Flight Center, Greenbelt, MD

Abstract

The objectives of the Clementine Deep Space Program Science Experiment (DSPSE) were to map the lunar surface through the use of an advanced sensor complement and to rendezvous with the asteroid 1620 Geographos. The NASA Goddard Space Flight Center Flight Dynamics Division provided mission analysis, maneuver planning, orbit determination, orbit prediction, and acquisition data generation for the Clementine spacecraft. This paper outlines the Clementine trajectory as designed by the FDD team, and describes how the mission plan and execution differed due to various contingency situations which arose during the course of the mission. Strategies for accommodating these contingencies are described.