Geometry of Saturn's magnetopause model

Details Geometry of Saturn's magnetopause model Geometry of Saturn's magnetopause model

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jgr...10127053m&link_type=abstract

Journal of Geophysical Research, Volume 101, Issue A12, p. 27053-27060

Physics

13

Magnetospheric Physics: Planetary Magnetospheres, Magnetospheric Physics: Magnetopause, Cusp, And Boundary Layers, Magnetospheric Physics: Numerical Modeling, Magnetospheric Physics: Solar Wind/Magnetosphere Interactions

Scientific paper

We report on an idealized three-dimensional model of Saturn's magnetopause. Using the subsolar point distance R0=24RS, we provide an analytical parameterization of the magnetopause model described by Maurice and Engle [1995]. This representation of Saturn's magnetopause is consistent with Voyager 1 magnetopause crossing observations. The magnetopause shape is then scaled to 17RS<=R0<=45RS and applied to Pioneer 11 and Voyager 2 observations. Results highlight variations of R0 during magnetopause crossings (over a few hours) and/or between inbound and outbound crossings (over a few days). Finally, we extend the parameterization of Saturn's magnetopause to nonzero dipole tilt angles. The model is intended for use in support of the Cassini mission.

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