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The orbits of Comets Halley and Giocobini-ZinnerOngoing activities to improve the orbits and ephemerides of comets Halley and Giacobini-Zinner are outlined. The nongravitational acceleration model of Marsden et al (1973) is used to represent the motion of these two comets over their observed intervals, and recent orbital updates are presented.
Document ID
19850016728
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Yeomans, D. K.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 12, 2013
Publication Date
November 15, 1984
Publication Information
Publication: Cometary Astrometry
Subject Category
Astrophysics
Accession Number
85N25039
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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