This paper presents the results of the latest fits of both analytical theory and numerically integrated Neptunian satellite orbits to Earth-based astrometric observations. Ephemerides based on the integrated orbits will be used by the Voyager project for pre-encounter planning and analysis until late 1988 when the final pre-encounter ephemerides will be produced. As a by-product of the orbit fits, new estimates of the Neptune mass, the second zonal harmonic of Neptune, and the pole orientation of Neptune are obtained. The theory and integrated orbits are compared with each other and with orbits obtained by previous investigators.
Satellite ephemerides for the Voyager Neptune encounter
AAS/AIAA Astrodynamics Conference ; 1987 ; Kalispell, MT, United States
1988-01-01
Aufsatz (Konferenz)
Keine Angabe
Englisch
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