Re: Shuttle-ISS Question

From: Ron Lee (
Date: Sat Apr 21 2001 - 12:40:54 PDT

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    Look at the mean motion for the shuttle.  It is higher than for
    ISS (15.61).  Hence the shuttle will advance relative to the ISS
    that is ahead of it. Orbit adjusts to raise the shuttle orbit 
    move it closer vertically but also slow down the closure rate.
    It is similar to you driving in the right lane of a three lane
    highway trying to pull up alongside of a friend that is a mile 
    ahead of you  in the left lane.  You drive faster then as you 
    get closer you slow down to gradually match his speed just as
    you pull up (moving left) to meet him.
    Ron Lee
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