[meteorite-list] Fw: U.S. To Shoot Down Defunct Spy Satellite
From: Jerry <grf2_at_meteoritecentral.com>
Date: Fri, 15 Feb 2008 19:25:25 -0500 Message-ID: <D73702FC97BA43CDA6EDF783A13088FB_at_Notebook> Has there been a determination as to when [Universal Tie] and over where this feat will be accomplished. Be neat to witness it! Jerry Flaherty ----- Original Message ----- From: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net> To: "Meteorite List" <meteorite-list at meteoritecentral.com> Sent: Friday, February 15, 2008 6:18 PM Subject: [meteorite-list] Fw: U.S. To Shoot Down Defunct Spy Satellite > Forwarding this to The List for: > ----- Original Message ----- > From: "Kelly Beatty" <kbeatty at skyandtelescope.com> > To: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net> > Sent: Friday, February 15, 2008 2:57 PM > Subject: RE: [meteorite-list] U.S. To Shoot Down Defunct Spy Satellite > > > Sterling... > > I'm sending you this directly because for some reason my posts to the > meteorite list aren't going through. > >> Rob pointed out that only a very small percentage of the >> debris will be directed into potentially dangerous orbits, but >> a "small percentage" of 100,000 is still a respectable number. > > *none* of the debris will survive more than a few weeks. that's because > while, conceivably, the fragments' apogees will change a bit, the perigees > will not. and the perigees are already so low that fairly rapid decay is > assured. all else being equal, breaking up the satellite will actually > hasten reentry because virtually all the resulting pieces will have higher > area/mass ratios that the intact satellite did. > > > clear skies, > > Kelly Beatty > Executive Editor > SKY & TELESCOPE > 617-864-7360 x2148 > SkyandTelescope.com > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Fri 15 Feb 2008 07:25:25 PM PST |
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