re: STS-101 and ISS undocked

From: Walter Nissen (wnissen@freenet.tlh.fl.us)
Date: Sun May 28 2000 - 10:01:11 PDT

  • Next message: Alan Pickup: "Decay watch: 2000 May 28"

    jrespler@superlink.net (JAY RESPLER) writes:
    
    > Anticipating that they would not be too far
    > apart since it was not that long since they separated,
    
    Focusing on "since it was not that long since they separated", I don't
    want to read too much into a single phrase, so I ask:  Are you inferring
    that you don't place much credibility in the prospective elsets which I
    mentioned in a previous messge were available a few days ago at
    http://spaceflight.nasa.gov/realdata/elements/
    http://spaceflight.nasa.gov/realdata/sightings/SSapplications/Post/JavaSSOP/orbit/SHUTTLE/SVPOST.html
    ?
    
    Those elsets were updated at least once and, as it turned out, at least
    according to elsets received from the STS-TLE mailing list and David
    Cottle's TLE mailing list, the older prospective elsets were more
    successful in predicting the separation of the craft than the updates.
    
    But both prospective sets, munged to use the previous STS elset as a
    proxy for the ISS, did successfully predict the character of the pass,
    namely 2 separate objects, and also the rough separation of them, namely
    a few seconds, with STS-101 leading ISS.
    
    Curious that Altantis is reported fainter.  On one side, it has a very
    dark surface.
    
    Cheers.
    
    Walter Nissen                   wnissen@tfn.net
    -81.8637, 41.3735, 256m elevation
    
    ---
    
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