Re: Old TLEs

From: Tony Beresford (
Date: Mon Dec 09 2002 - 00:39:53 EST

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    At 04:22 9/12/02, Ash Wyllie wrote:
    >I would like to find an archive of TLEs going back to the late 70s.
    >I am interested in the altitude of a particular satelliteover time. I don't
    >know the name but it measures Eath's temperature.
    >Any suggestions? 
    TS Kelso maintains archived data for weather satellite TLEs among others)
    from 1980 onwards, at  .
    The Orbit information group at Goddard Space flight Center   has a form for supplying old data.
    For full access you are required to register with them ,something which takes
    time, but the
    publicly accesible site has (eventually after several clicks )the email address of the contractor person
    in charge, or if you prefer, an online form for a message.
    In all these cases you will probably have to know the satellite involved
    by name assigned by owner ( changes sometimes when ownership changes), 
    international designation , or catalog number.
    Tony Beresford
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