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Neptune's magnetic field - Calculation of field geometric invariants derived from the I8E1 GSFC/BRI modelL shell values along the Voyager 2 encounter trajectory and those associated with the N1 through N6 moons and N1R through N6R rings of Neptune are computed numerically on the basis of a simplified description of the Neptunian magnetic field derived from the Goddard Space Flight Center/Bartol Research Institute I8E1 model, which includes internal terms up to and including the octupole (but no external terms). Like Uranus, the large tilt between the dipole term and the rotation axis causes the moons and rings to sweep a very large range of L shells. Their orbital motion introduces additional periodicities, causing the maxima and minima in L space to vary systematically with time.
Document ID
19930062091
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Acuna, M. H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Connerney, J. E. P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ness, N. F.
(Bartol Research Inst. Newark, DE, United States)
Date Acquired
August 16, 2013
Publication Date
July 1, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: A7
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
93A46088
Distribution Limits
Public
Copyright
Other

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