Re: ISS "marathons"

From: Björn Gimle (
Date: Thu May 22 2003 - 15:45:23 EDT

  • Next message: Björn Gimle: "5919 obs 2003-05-22"

    There has been a lot of talk about the Mir/ISS marathons over the years,
    and they are a well established fact. Near summer solstice, if the ISS
    northern apex happens to be near local midnight, the entire orbit is
    sunlit. Of course the same is true for southern apex near winter
    This requires special attention for the thermal balance of the station
    and visiting shuttles.
    Moreover, it allows observers some 10 degrees "below" the apex to see 5-6
    sunlit passes during one "night".
    ----- Original Message ----- 
    > seeing more than a couple
    > consecutive sunlit passes would be tough- though perhaps that
    > situation occurs at higher latitudes (England, etc.), around the
    > winter solstice.
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