Re: Beautiful ISS/Shuttle

From: Daniel Deak (dan.deak@sympatico.ca)
Date: Mon Sep 18 2000 - 06:23:23 PDT

  • Next message: Alan Pickup: "Decay of #22925"

    bruce_musson@dofasco.ca wrote:
    
    > I'm a little confused here...
    >         Was the ISS actually the leader of the two ??
    
    First of all, I would like to thank the many who replied to my mail problem
    message. I'm not the only one caught with that and it looks like an autoreply
    problem.
    
    For this morning ISS pass, Atlantis was in fact the leading object as it is
    most of the time after the separation from ISS. The Shuttle gets to a lower
    orbit that causes it to preceed the Station. This fact is reflected in the TLEs
    from both objects. MM for ISS is 15.620 rev/day and Atlantis is 15.625.
    People tend to assume the brighter one is the Shuttle because of its great
    size and white colour.
    
    I observed this beautiful pass also and the ISS was much brighter. I estimated
    it was around mag 0 and the Shuttle mag +1.5 to 2. Separation between the
    two was about 7 seconds.
    
    ISS
    1 25544U 98067A   00262.46976949  .00008665  00000-0  10311-3 0   933
    2 25544  51.5790  23.7872 0007466 235.1303 168.9378 15.61999819104575
    STS-1006
    1 26489U 00053A   00262.41736400  .00001074  00000-0  17769-4 0   337
    2 26489  51.5774  24.0519 0007657 247.1827 222.3602 15.62509976  1544
    
    Cheers,
    
    Dan
    
    --
    Daniel Deak
    Drummondville, Quebec
    
    COSPAR site 1746 : 45.8537N, 72.4857W, 90 m., UTC-4:00
    
    Site en francais sur les satellites:
    French-language satellite web site : http://www.obsat.com
    
    
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