Re: STS-107 evening passes this week (?)

From: Mark Hanning-Lee (
Date: Tue Jan 21 2003 - 23:26:03 EST

  • Next message: Kevin Fetter: "Re: STS-107 evening passes this week (?)"

    Yes, I was also surprised to get a prediction for So
    Cal tonight at 18:06 local, 21 deg high. Did not see
    it. 33.729 long -117.822 altitude ~ 34 m.
    You may also want to relax your highest-pass
    criterion: if you are normally set to reject passes
    below 15 deg try 10 deg for this potentially bright
    --- wrote:
    > I was surprised to get an evening twilight
    > prediction for STS-107 
    > this evening, low in the north just after 6:30 p.m.
    > local.  (I did
    > not see it this time.)  Its mean motion is about
    > 15.99, so unless 
    > it maneuvers, similar passes will occur each evening
    > twilight.  
    > Our predictions get pretty good for this weekend --
    > again barring 
    > a maneuver.  So, north Texas, Oklahoma, Arkansas,
    > Louisiana, etc., 
    > might want to loosen your evening twilight parameter
    > in your 
    > prediction program(s).  NASA does not (yet) show any
    > evening 
    > predictions for Austin.  I haven't checked
    > yet.
    > [Ed's passes deleted]
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