George, KA3HSW wrote:

Which of the GRACE objects are you using as your keps for Fox? As the satellites spread out, that will make a difference...

CalPoly uses GRACE2 to identify it.

The best source of Keps is:

http://www.amsat.org/amsat/ftp/keps/current/nasabare.txt

Look for AO-85 object# 99992

-Joe