Unidentified Satellite - Who Wants/Can Identify?

From: Ulrich Beinert (analemma@gmx.de)
Date: Sat Aug 04 2001 - 15:10:31 PDT

  • Next message: Rainer Kracht: "Re: Unidentified Satellite - Who Wants/Can Identify?"

    A few days ago, I was out observing, waiting for the ISS to come, and made a
    *very* unusual observation. It must have been a satellite, presumably
    tumbling, as it did some very irregular stuff. I noted as much as I could
    about it, so if any of the experts on the list who know how to do it could
    try to figure out what it was, I'd be really thankful.
    So, it was the morning of July 25th, 2001, 04:00 LT (02:00 UT) plus/minus a
    few minutes. I was near 8.66E, 50.50N. The satellite rose in the Northeast,
    underneath Perseus, flashing irregularly to -2 or -3m with a period between
    10 and 20 seconds between flashes. It passed above the three brightest stars
    in Aries (the little triangle which is all you can see of the constellation
    from lightpolluted sites), then went towards the south, where I lost track
    of it. I'd say it set in the south or south-southeast. Between the bright
    flashes, the satellite varied between invisible (less than 5m) and +2m in
    I assume not many satellites with this behavior followed this path at this
    time and location, so it shouldn't be hard to figure out which one it is,
    but I don't know how, and with what data. If someone could tell me what it
    was, I'd be very grateful! Thanks in advance...
    Ulrich    >>www.analemma.de<<
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