Re: Phobos-Grunt - serious problem reported

From: Janos Tolgyesi (hg5apz@gmail.com)
Date: Wed Nov 09 2011 - 09:09:50 UTC

  • Next message: Björn Gimle: "Re: Phobos-Grunt - serious problem reported"

    Here is an overview (with contradictions) about the present situation,
    mainly based on russian language sources:
    http://www.planetary.org/blog/article/00003251/
    t.janos
    
    On Wed, Nov 9, 2011 at 9:49 AM, satrack@libero.it <satrack@libero.it> wrote:
    
    > I've updated the site to use the LEO parking orbit. Maybe this helps in the
    > attempt to find it.
    > DEC, RA and Magnitude are still displayed.
    >
    > http://digilander.libero.it/SATrack/Phobos.html?q=phobos
    >
    > Regards,
    > Simone
    >
    > >----Messaggio originale----
    > >Da: ssl3molcz@rogers.com
    > >Data: 9-nov-2011 1.05
    > >A: <seesat-l@satobs.org>
    > >Ogg: Phobos-Grunt - serious problem reported
    > >
    > >I have just received word from the project that there seems to be a
    > serious
    > problem.
    > >
    > >After the planned first burn of the engine, the spacecraft was not found
    > in
    > the predicted orbit. Alternative radar
    > >observations preliminarily show that there are two objects in the orbit
    > with
    > parameters the same as before the planned
    > >engine burn. Observers are requested to attempt to discover the
    > spacecraft in
    > the initial LEO parking orbit.
    > >
    > >This is the official pre-launch estimated TLE of the LEO parking orbit:
    > >
    > >1 55500U 11000A   11312.95486111 -.00010748  00000-0 -11606-4 0    14
    > >2 55500  51.4279   0.6058 0106375  25.7555 298.8256 15.98414689    33
    > >
    > >I imagine that one of the two objects seen on the radar could be the final
    > stage of the booster. Accurate descriptions
    > >and counts of the number of objects seen, as well as position and time
    > would
    > be useful.
    > >
    > >Ted Molczan
    > >
    > >
    > >_______________________________________________
    > >Seesat-l mailing list
    > >http://mailman.satobs.org/mailman/listinfo/seesat-l
    > >
    >
    >
    > _______________________________________________
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    >
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