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From: @S1-A.ARPA,@MIT-MC:dsmith%hp-mars.csnet@csnet-relay.arpa
Newsgroups: net.space
Subject: Re:  reentry of paper airplanes?
Message-ID: <1844@mordor.UUCP>
Date: Thu, 16-May-85 18:51:12 EDT
Article-I.D.: mordor.1844
Posted: Thu May 16 18:51:12 1985
Date-Received: Sun, 19-May-85 00:18:16 EDT
Sender: daemon@mordor.UUCP
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From: David Smith <dsmith%hplabs.csnet@csnet-relay.arpa>

Deorbit delta-V is not very great for low earth orbit.  The shuttle
takes off and gets into an orbit that would reenter over the Indian
ocean.  Then it drops its tank and fires the OMS engines to put it into
a stable orbit.  This OMS burn is worth about 300 feet per second,
or 200 mph.