In a message dated 1/12/00 12:29:33 PM Eastern Standard Time, molczan@home.com writes: > > Sorry for this question, (as I believe it was addressed > > recently on the list, although I can't find it), is there > > any reason for noting time of shadow entry? > > Timing the shadow entry can be useful in determining the orbit of a newly > discovered object. > > An excellent example occurred about 10 years ago, involving the secret DOD > shuttle mission, STS 33. On such missions, the shuttle's orbital elements > were > embargoed until after the payload had been deployed and had left the > vicinity > of the shuttle. So hobbyists had fun trying to find the shuttle, track it, > and > produce accurate elements. How does one calculate the TLE from sets of observations? I am interested in the math of it. Jonathan Wojack LWojack@aol.com ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
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