U. N. McGregor wrote:
Where can I find concise directions on how to determine orbital elements.
All I ever see on the internet is description about what they are and mean
but never the way to actually do that type of calculation.

See if you can get hold of a copy of Fundamentals of Astrodynamics
by Bate, Mueller, and White. $12.89 at amazon -- a good deal for
an excellent book. Lot's of examples and exercises.

http://www.amazon.com/Fundamentals-A.../dp/0486600610