> So, rigorously speaking, no the iridium.html page does not attempt to > maintain a list of those Iridiums that are not expected to flare as > predicted, but a frequent look at the iridiums.tle elset should give you > the information you need. > > Jeff Hunt <jeff@satellite.eu.org> Hello Jeff, yes, surely I know about the 14.34 rev/day thumb rule, but I thought more of those objects that generally fulfill the rules, at least with the TLEs, BUT DESPITE THAT behave strange in an optical sense. So it seems not to be a matter of looking frequently at the Pickup IRIDIUM.TLE files (...thanks, Alan, for providing these valuable data for us!...), but it is indeed a matter of trying to figure out, which (and why some) objects are behaving different than the others. Alex