What is New in Saturn's F Ring Azimuthal Channels?

Details What is New in Saturn's F Ring Azimuthal Channels? What is New in Saturn's F Ring Azimuthal Channels?

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dda....39.1604c&link_type=abstract

American Astronomical Society, DDA meeting #39, #16.04

Astronomy and Astrophysics

Astronomy

Scientific paper

How Prometheus creates azimuthal structure in the F ring has been puzzling the scientists since these features were first observed during the Saturn Orbital Insertion (hereafter SOI) in July 2004. The SOI configuration is studied numerically with updated orbits, the plots obtained are in excellent agreement with the observed structures by Cassini spacecraft and with the numerical model we previously reported in Murray et al. 2005.
A very simple model has been developed to fit the edges of the channels in order to study their maximum width for the SOI configuration. This has helped us to understand some of the dynamics involved in their formation.
The approximate date for the antialignment configuration has been calculated, this enabled us to predict the possible appearance of the ring for this configuration. A new feature has been found (an ``island'') that according to our numerical model should be visible during the antialignment configuration in late December 2009.

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