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Pastimes : Shuttle Columbia STS-107
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To: Bill Jackson who wrote (401)2/6/2003 10:54:40 AM
From: Clarksterh  Read Replies (1) of 627
 
Inre the space station photos, what counts is motion perpendicular to the line of sight. It turns out that if you do a little thinking about it (in my case involving fingers acting as vectors -g-) there is never a case where this is good for the orbits of the shuttle and the SS.

For instance - The Space Station and the Shuttle were never going in the same direction since they were in different orbital planes. Thus the minimum difference in the velocity vectors (i.e. at the optimal time in the orbits)was somewhere in the neighborhood of about 2 miles per second and perpendicular component of that is the majority of that.

I won't rehash the tether since I do not have enough domain knowledge and it is undoubtedly not a crisp issue. But the key points to remember are that it is very very hard to maneuver in space (they train for many many man-days for the simplest of things) and there is a significant risk of damage even if there hadn't been any damage before.

Clark
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