Re: X-37B OTV 2-1 search elements

From: Ralf Vandebergh (ralf.vandebergh@home.nl)
Date: Sat Mar 05 2011 - 23:05:29 UTC

  • Next message: Bob Christy: "X-37B-2 F1"

      Referring to what is mentioned below, there was one thing which I noted 
    during the launch.
      They stopped obviously quick with showing the camera-view, namely until 
    just before the
      fairing jettisoning, and switched over to animation.
    
      Ralf
    >
    > I am following up on Bob Christy's observation that the 97 min interval
    > between the windows could be the orbital period of another satellite
    > involved somehow in the launch, perhaps one of the KeyHoles. The 18-19 
    > min/d
    > later arrival of the windows also is consistent with the involvement of
    > another satellite, with period near 97 min. I have identified a number of
    > potential classified and unclassified satellites with period near 97 min,
    > and am looking for meaningful conjunctions. I will report my findings when
    > complete.
    >
    > The following search elements are based on the initial orbit of OTV 1-1, 
    > at
    > the opening of today's windows.
    >
    > T0=21:09                                                 400 X 423 km
    > 1 70406U          11064.92885959  .00000000  00000-0  00000-0 0    07
    > 2 70406  39.9849 267.8099 0016616 341.1195  18.8998 15.52662485    03
    >
    > T0=22:46                                                 400 X 423 km
    > 1 70407U          11064.99622070  .00000000  00000-0  00000-0 0    08
    > 2 70407  39.9849 292.1263 0016616 341.1195  18.8998 15.52662485    08
    >
    > I am reasonably confident of the inclination, less so of the altitude.
    >
    > The OTV's standard visual magnitude is 4.2 (1000 km range, 90 deg phase
    > angle).
    >
    > Ted Molczan
    >
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