Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986asdy.conf..192s&link_type=abstract
IN: Astrodynamics Conference, Williamsburg, VA, August 18-20, 1986, Technical Papers (A86-47901 23-13). New York, American Insti
Astronomy and Astrophysics
Astronomy
Interplanetary Navigation, Orbital Position Estimation, Uranus (Planet), Voyager 2 Spacecraft, Astrometry, Calibrating, Image Analysis, Neptune (Planet), Point Spread Functions
Scientific paper
Optical observations were necessary during the Voyager II Uranus approach and encounter in order to meet mission navigational requirements. In this paper, the overall optical navigation system and operation at Uranus are outlined. The formulation of the optical observables are presented, as well as their subsequent integration into the overall orbit determination products. Optical data analysis and some resulting orbit determination results from Uranus are shown. Certain scientifically important results were natural outcomes of the optical data analysis, and these are also reviewed. Finally, certain optical navigation related problems are anticipated at the forthcoming Neptune encounter in 1989; these are briefly discussed as are plans to deal with them.
Donegan A. J.
Riedel Joseph E.
Stuve J. A.
Synnott Stephen P.
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