Re: Shuttle and ISS

Date: Mon Aug 20 2001 - 18:36:57 PDT

  • Next message: Mark Hanning-Lee: "00733 Agena D r bright"

    In a message dated 8/20/01 9:08:47 PM Eastern Daylight Time, writes:
    Just saw a beautiful pass of the Shuttle leading the ISS by about 45 seconds
    from the NW to the ESE, although they went behind clouds before earth's
    shadow.  Picked both up about 10 degrees above the horizon, the shuttle was
    probably a magnitude greater than the station.
    I saw the same pass.   Discovery was about -0.5 to -1 mag, slightly brighter 
    than Arcturus as it passed it in the west at 00:58:50UT.  About 50 seconds 
    later the ISS passes at about a 0 mag.   Both reached a maximum elevation of 
    about 50 deg in the SW when the IS reached about a -1 mag.  Conditions were 
    moderately hazy in that part of the sky.
    Question: in previous missions the shuttle seems to fly closer to the ISS 
    even 2 days after socking - like they were chained together.  This evening's 
    45 second separation was a bit of a surprise.  Anyone know why the change?
    Don Gardner  39.1799 N, 76.8406 W, 100m ASL
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    This archive was generated by hypermail 2b29 : Mon Aug 20 2001 - 18:37:48 PDT