Old Scout B 4th stage breakup?

From: George Olshevsky (george.olshevsky@gmail.com)
Date: Thu Nov 10 2005 - 14:25:17 EST

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    After almost exactly 40 years in orbit, the 4th stage that orbited
    with Secor 5 way back on August 10, 1965 seems to have shed a bunch of
    debris, perhaps because of an on-orbit breakup. I note catalogue
    numbers #28793-28803 assigned to 1965-063C-N and listed as Scout B
    debris, respectively, sometime in mid-August of this year. The radar
    cross-sections of the fragments are all quite a bit smaller than the
    4th stage itself, which likely indicates the rocket didn't
    disintegrate, just shed some bits. This stuff may, of course, have
    been in orbit and tracked for a long time before being catalogue.
    This little bulletin is courtesy of the Space-Track website, which I
    discovered while rummaging around for satellite info on the Internet.
    Great website--reminds me of the days in the mid-1960s--just about
    when that very Secor 5 originally went up--when I lived in Cambridge,
    Mass. and used to call up the Smithsonian Astrophysical Observatory
    for the latest catalogue numbers. I'm now a registered user (like
    almost everyone else on this list, I would imagine).
    Makes me think what a wackier world this would be if the morning
    headlines weren't "Paris Hilton crashes car" but were "Scout B debris
    found in orbit 40 years after launch."
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