DSP F15?

From: Rainer Kracht (r.kracht@sh-home.de)
Date: Sat Mar 11 2000 - 18:22:49 PST

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    Newsgroups: sci.astro.satellites.visual-observe 
    Subject: Possible geostationary sat. in Orion.
    Date: Sat, 11 Mar 2000 22:31:23 +0000 
    Tonight, 2000/03/11 I saw a satellite "pass" through the trapizium in
    the Orion nebula. It was right in the middle of the trapizium at
    20:49:40 UT. It was seen the night before, in the same place around
    the same time by someone else. It was also seen again a week ago, same
    It was flashing about once every three seconds. By turning the drive
    on my scope off, the satellite stayed centered, while the Orion nebula
    moved by. Has anyone else seen this? If not have a look.
    David Brown
    Bournemouth, UK
    I found no known geosync sat for Bournemouth (-1.9/+50.7 deg).
    The flash period is close to the 2.5 seconds of DSP F16 (at phase 90 deg).
    Longitude of David's object is 35 deg West.
    Igor Lissov's List has:
    DSP F15  USA 65  1990-095A  20929  37W
    David's object could be DSP F15.
    A search orbit derived from last elset of DSP F16 is:
    DSP 15 (USA 65)
    1 20929U 91080B   00066.00000000  .00000000  00000-0  00000+0 0    06
    2 20929   3.9665  61.8889 0003872 264.6785 162.3240  1.00271370    00
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