RE: Sighting - Series of Satellites In Line Friday 23 1050 UTC

From: Ted Molczan (
Date: Mon Dec 26 2005 - 06:34:20 EST

  • Next message: Bruce MacDonald: "Re: Sighting - Series of Satellites In Line Friday 23 1050 UTC"

    Lee Emerson wrote:
    > I'm new to this list so please forgive any lack of specifics 
    > or correct jargon.
    Welcome to SeeSat-L, Lee.
    > At 10:50 UTC on the 23rd December I saw three satellites 
    > travelling in line in a NNE direction from about 80 degrees alt.
    > They entered the earth's shadow fairly quickly .... Amazingly
    > about two minutes later two more satellites travelling virtually
    > on the same path and apparently at the same speed as each other
    > passed overhead in the same direction.
    Your observed two formations of NOSS satellites:
    The first was the NOSS 2-2 triad, launched in 1991; the second was the NOSS 3-3
    pair, launched this year. Their International Designations and catalogue numbers
    are listed on the above page.
    Both formations are in nearly the same orbital plane, and are separated in time
    by several minutes.
    Ted Molczan
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