Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aiaa.conf..370k&link_type=abstract
IN: 1992 AIAA/AAS Astrodynamics Conference, Hilton Head Island, SC, Aug. 10-12, 1992, Technical Papers (A92-52051 22-13). Washin
Astronomy and Astrophysics
Astronomy
Asteroid Belts, Asteroid Missions, Deep Space Network, Orbit Calculation, Rendezvous Spacecraft, Spaceborne Photography, Astronomical Catalogs, Ephemeris Time, Flyby Missions, Galileo Spacecraft, Perihelions, Space Observations (From Earth)
Scientific paper
This paper presents an overview of the orbit determination for Galileo's epochal encounter with the asteroid Gaspra on October 29, 1991. Topics discussed are a ground-based observation campaign to improve Gaspra's ephemeris before encounter, and the use of optical navigation together with Doppler and range data. The paper concludes by noting the steady improvement in the B-plane dispersions during the two months prior to encounter.
Haw R. J.
Kallemeyn Pieter H.
Nicholson F. T.
Pollmeier Vincent M.
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