Re: Wow!

From: Bram Dorreman (
Date: Wed Jul 28 2004 - 19:48:30 EDT

  • Next message: Bram Dorreman: "BD obs July 16-28 for PPAS"

    May be I saw this object recently. I did not yet identify it.
    I just remember such an object with about that flashing period in a
    Globalstarlike orbit.
    This means that this payload obviously lost its attitude control and might
    be no longer usable.
    Nice for us. More (Globalstars) to follow?
    > Not long after getting to the site, I was looking for an
    > old Cosmos Rk low in the east, and there was a slow-moving
    > northbound flashing object there also.  It was flashing
    > about every 2.35 seconds.  Mike thought the brightest flash
    > was about -2.  Wow!  A very neat "pre-id".
    > A couple of hours later I had predictions for one I had seen
    > flashing a few months ago.  I found it, and it got brighter
    > and brighter, until it did three consecutive flashes well
    > into negative magnitudes, the brightest at least -3 I'm sure.
    > After watching it some more, I checked my stopwatch.  The
    > flash period was about 2.35 seconds!  It must be the same
    > object as the pre-id two hours before!  Findsat confirmed
    > that the early one was the same object, Globalstar 23
    > (99-004A, 25621).  Low in the east it flashed to about -2 at
    > a range of over 2400 km (1500 miles) and to -3 at 1600 km
    > (1000 miles)!  Wow!  PPAS:
    > 99-  4 A 04-07-27 04:24:41   EC  271.3 0.4 115  2.359 -3->i
    > Several nights ago, maybe two weeks, when it exited eclipse
    > low in the northeast, I couldn't find it.  Globalstars are
    > generally not hard to see with 8x42 on good passes in spite
    > of their smallish size and relatively high orbit.
    Bram Dorreman
    COSPAR 4160
    51 16' 45.5" N  5 28' 36.6" E (WGS84) 35 m
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