Re: Mir

From: Thomas A. Troszak (
Date: Tue Feb 20 2001 - 06:03:04 PST

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    Walter Nissen wrote:
    > ("Carl H. Schmid") writes:
    > > Am I correct in assuming that the long-term predictions should not be
    > > considered reliable?
    > Absolutely.
    I arose at 4:00AM Feb 18 in anticipation of a pass pf Mir at 04:53.34
    (as predicted by and got out with telescope, camera,
    etc., about 20 minutes early Mir.
    The prediction was run just prior to stepping out the door, and I
    noticed that the predicted time had changed by a minute or so from the
    prediction I had run a week earlier. 
    My assumption: Mir probably did pass overhead at about exactly the time
    predicted, but since the early pass was so close the edge of the Earth's
    shadow, (and that Mir's altitude is dropping rather quickly) that Mir
    had slipped a kilometer or two in altitude and was just below the height
    where it would reflect sunlight.
    The other possibility was that Mir arrived more than ten minutes early,
    and I was busy diddling with the camera and missed it, but my guess is
    for the former.
    Any feed back?
    Tom Troszak, Asheville, NC, USA
    35.601 N, -82.554 W
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