USA 144 decoy brightness variation

From: Marco Langbroek (
Date: Tue Sep 07 2010 - 13:11:34 UTC

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    On 6-9-2010 21:48, I wrote:
    > Obtained as part of my regular monitoring of the brightness periodicity of this
    > object [USA 144 Decoy]. Brightness behaviour analysis result will follow after I
     > have had time to analyse the image series properly.
    Now done, results here:
    Period 60 seconds. Interestingly, like on July 20th I again captured a specular 
    glint at the bottom of one of the minima. This suggests there is a flat 
    reflective surface on one of the smaller sides of this enigmatic object.
    - Marco
    Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
    Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
    Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL
    Station (b)log:
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