On Tue, 24 Feb 2009 03:30:14 GMT, Golden California Girls
wrote:

It can't be calculated without calculus math skills.

I do orbital analysis all the time, and I never use calculus. You only
need that if you want to derive the equations. Just determining orbital
elements from observations requires nothing more than vector algebra.
_________________________________________________

Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com