Computer Science – Performance
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aiaa.meetqt...m&link_type=abstract
AIAA, Aerospace Sciences Meeting, 27th, Reno, NV, Jan. 9-12, 1989. 14 p.
Computer Science
Performance
Comet Nuclei, Comet Rendezvous Asteroid Flyby Mission, Orbit Calculation, Orbital Rendezvous, Error Analysis, Mariner Mark 2 Spacecraft, Moments Of Inertia, Spacecraft Trajectories
Scientific paper
Orbit determination during the post-rendezvous phases of the Comet Rendezvous/Asteroid Flyby mission is described. The orbit determination process is discussed, with emphasis placed on optical imaging of landmarks and Doppler tracking. Rotational dynamics are introduced for the cometary nucleus. State estimation errors are given for spacecraft trajectory prediction and cometary nucleus attitude prediction. Estimation errors are also given for parameters that describe the cometary nucleus such as moments of inertia and gravity harmonics. The orbit determination performance in support of science observations while in orbit about the nucleus is described.
Miller James K.
Weeks Connie J.
Wood Lincoln J.
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