Fw: {MPML} Phobos-Soil Spacecraft Observations

From: RICHARD MILES (rmiles.btee@btinternet.com)
Date: Thu Oct 27 2011 - 20:21:15 UTC

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    Richard Miles
    
    ----- Original Message ----- 
    From: "jon_giorgini" <Jon.Giorgini@jpl.nasa.gov>
    To: <mpml@yahoogroups.com>
    Sent: Thursday, October 27, 2011 8:05 PM
    Subject: {MPML} Phobos-Soil Spacecraft Observations
    
    
    > Scheduled for launch Nov 8, the Space Research Institute 
    > (IKI, Russia) is very interested in any "near real-time"
    > observations and astrometry of the Mars-bound Phobos-Soil.
    > 
    > Of particular interest are observations of two engine 
    > burns to occur mostly over South America late Nov 8/early 
    > Nov 9 UTC.
    > 
    > They have set up a website with ground-track plots.
    > The site also lets people directly input astrometry 
    > (MPC 80-column format):
    > 
    >      http://phobos.cosmos.ru/index.php?id=1686&L=2
    > 
    > If you are thinking about reporting observations, sign up
    > in advance to get a password that gives access to the data 
    > input section of the site.
    > 
    > Topocentric tracking predicts are computable from Horizons:
    > 
    > Web:
    > http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=mb&sstr=-555
    > 
    > URL interactive window (type "soil" at prompt)
    > telnet://ssd.jpl.nasa.gov:6775
    > 
    > UNIX/Linux interactive command-line (type "soil" at prompt):
    > telnet ssd.jpl.nasa.gov 6775
    > 
    > During the engine firing, the spacecraft will be only 100's 
    > of km overhead, moving at many 100s of arcsec/second and more. 
    > So conventional astrometry will be "a challenge" until relative 
    > motion slows, even though eyes-on/camera-on/clock-on could be 
    > invaluable.
    
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