At 00:29 30/12/98 -0500, Jim S wrote: >Has anyone determined an "intrinsic magnitude" value for the current >configuration of the ISS that can be supplied to the "QuickSat" program >to produce reasonable visible pass predictions? > Well, Alan Pickup is using absolute mag 3.0 in the TLE's in his select.tle file ,Jim. I would say 2.5 myself Tony Beresford