[JethroB76 (Jeff)]

Originally Posted by gary

Hi Jeff,

Thanks for the post.

The IAU Minor Planet Center (MPC) is the definitive organization for defining
and publishing comet orbital elements. They publish the orbital elements in formats
for a variety of third party planetarium programs and Argo Navis uses the same
format as the program TheSky by Software Bisque.

You can download comet and asteroid orbital elements from here -
http://www.cfa.harvard.edu/iau/Ephemerides/Soft06.html

Thanks Gary.
So data in the format provided at that address requires no changes? Great