Neptune Viewer 2.8
NEW 2009-12-01: The latest ephemerides have been established as the
default. In the future, ephemerides will be kept up to date based on the
latest releases from JPL. The option to select an outdated ephemeris is no
longer supported. Latest update February 28, 2014.
NEW 2014-02-28: Updated to include S/2004 N 1 and a revised mean motion
for the arcs.
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Last updated 28 February 2014.