Don't the Russians do any tracking and collision warning? > -----Original Message----- > From: Allen Thomson [mailto:thomsona@flash.net] > Sent: Wednesday, February 11, 2009 5:42 PM > To: SeeSat-L@satobs.org > Subject: RE: Iridium, Cosmos collide > > > Susan Kaltenbach asked, > > > how could the collision have been a surprise? > > Good question indeed. Both satellites were in track by NORAD > and, as Igor Lissov noted, an available collision prediction > program did predict a very near approach. Presumably the > Competent Authorities have even better programs. > > Although pursuing the answer is mostly outside of SeeSat > charter, I hope that we see some discussion of the matter elsewhere. > > Dr. Kelso, in particular, may be able to provide some insights. ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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