Re: Need help identifying a flashing satellite

From: C. Bassa (cgbsat@gmail.com)
Date: Mon Aug 19 2013 - 13:10:15 UTC

  • Next message: Christoffer Wallstenius: "Re: Need help identifying a flashing satellite"

    Hi Christoffer,
    
    On Mon, Aug 19, 2013 at 12:40 PM, Christoffer Wallstenius
    <christoffer.wallstenius@gmail.com> wrote:
    > Hello, this is my first post to this list.
    
    Welcome!
    
    > At it's highest point in the sky it was pretty much right above me,
    > probably a tad bit to the east. I've tried to identify it using
    > heavens-above, but I couldn't find a match. The only ones I found matching
    > the time, general direction of travel and elevation is Cosmos 1953 and
    > Coronas F rocket, but I haven't been able to find information about if
    > they're tumbling or not.
    
    Thank you for your description. Unfortunately the uncertainty in the
    time and location on the sky leaves many possible candidates for your
    observation. My best guess comes from limiting the search to objects
    known to be visible to the naked eye;
    http://celestrak.com/NORAD/elements/visual.txt
    
    >From this list I get a reasonable match with SL-14 R/B [11672/80005B],
    which was the only object in that list that seems to match the
    direction of travel and timing of your observation. I do not know if
    this object shows the variability that you describe, but since it is a
    rocket body it may well do so.
    
    If you saw it again after 90 minutes it would've been low (20 deg
    elevation) in the West, as the Earth had moved underneath the plane of
    the orbit. Is that where you saw it?
    
    Also note that your match with Cosmos 1953 happened an hour earlier,
    at 23:30UT on August 5th. Are you certain you have not forgotten an
    extra hour time difference due to summer time?
    
    Kind regards,
        Cees
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