Re: Question about shuttle lauunch windows to Iss

Date: Thu Mar 28 2002 - 19:19:19 EST

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    In reply to Colin Knight, Ed Light wrote:
    "At any location (within about 51.6 degrees of the equator), the ISS orbital
    plane passes by twice each day (strictly, twice every 23 hours 36.4 minutes
    because of the orbital plane's precession) - once heading northward, once
    heading southward. For various logistic/political/safety reasons, the
    shuttle launches along the northward part of the orbit plane.
    The fact that the ISS may be seen six times per day from the launch site
    is not really relevent; the important thing is for the shuttle to be
    in the target satellite's orbital plane."
    Interestingly, there are a number of other details to this plane-matching
    business. For those of you with AOL accounts, former NASA Flight Dynamics
    Officer, Roger Balettie, went over some of the details recently on the space
    flight message boards (Keyword SEO).
    Frank Reed
    Chicago, IL
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    This archive was generated by hypermail 2b29 : Fri Mar 29 2002 - 04:21:48 EST