Re: Falcon 9 decay

From: Robert Holdsworth (
Date: Sun Mar 10 2013 - 01:57:08 UTC

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    This also raises the possibility of a pass at or near decay (or just
    after!) on a visible pass over New Zealand and this is  what is predicted
    by Calsky though not by SpaceTrack, however their prediction at this stage
    does not exclude the possibility.
    Our pass would be at around 0723 on the 11th UTC. (2023 local,)  (The decay
    pass predicted by Jon would pass too low in the sky for me to see it,)
    So recommended that Australia and New Zealand observers follow predictions
    closely as the R/B gets nearer to decay.  Any further updates from Joseph
    (whose predictions as mentioned in  a previous posting have been amazingly
    accurate) or anyone else would also be much appreciated: the current one
    from Joseph would mean decay may occur long before it reaches us.
    Although we have a pass tonight our time it is predicted to be
    comparatively faint, though it should be visible in good conditions with
    good binoculars, but it is fairly likely I will not have a chance to
    attempt observation at the time.
    New Zealand
    On 10 March 2013 08:06, Jon Mikel <> wrote:
    > Hi Joseph, i am amazed with the precision of your own softwares, last times
    > they have been correct with the position of the reentry.
    > I make my own analysis, at the moment like a test, but it looks like (in my
    > analisys) will reenter near the coast of Australia:
    > This should be enought accurate to 1 rev. more or less...
    > I will see the results and i'll make a comparative of my analysis vs the
    > reality.
    > --
    > Jon Mikel, COSPAR 6242, 42.9453, -2.82839, 623m, Bitoriano, Basque Country.
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