Cosmos 2421 observations

From: Ralf Vandebergh (
Date: Tue Apr 06 2010 - 10:14:00 UTC

  • Next message: Ralf Vandebergh: "Fw: Cosmos 2421 observations"

    April 5, 19:51 UTC, imaged great 81°pass of Cosmos 2421 sat. It was at an obvious
    mag 1.6, guess this must be the largest piece of the sat. Apparant speed was comparable
    with ISS, as it orbits at 350-360 km. In 2008, there was an ISS avoidance manoeuvre for
    one of the pieces of this sat:
    Has anyone an idea of dimensions of this biggest piece? Images not processed yet,
    results later....
    Ralf Vandebergh
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