Re: Rosetta predictions

From: jin zhu (jinzhu@bjp.org.cn)
Date: Mon Feb 28 2005 - 02:46:30 EST

  • Next message: satcom: "Re: Rosetta predictions"

    The ephemeris of those spacecrafts could be found from NASA/JPL's
    HORIZONS system at http://ssd.jpl.nasa.gov/cgi-bin/eph. Just
    'select target body' and choose the list of 'spacecraft', then
    'Display List' and your will see many spacecrafts including
    Rosetta. You can also choose observer's location via cities or
    input coordinates manually.
    
    With best regards, Jin
    
    2005-02-28
    ======================================================================
    Jin Zhu                        | Tel.:     +86-10-51583002 (O)
    Beijing Planetarium, director  |           +86-10-81424143
    No. 138 Xizhimen Wai Street    | Fax :     +86-10-68353003
    Beijing 100044                 | email:    jinzhu@bjp.org.cn
    P. R. China                    | web site: http://asteroid.lamost.org/
    ======================================================================
    
    ======= 2005-02-28 02:01:00 You wrote me in your letter: =======
    
    >Hi all,
    >
    >We in Belgium and Netherlands like to try and observe Rosetta during its
    >fly-by. Therefore we need positions of this spacecraft with respect to the
    >starry sky and predicted for our specific locations. Who knows how to obtain
    >these?
    >
    >We assume that there are no TLE's since Rosetta is not Earth orbiting.
    >
    >ESA data tell use that we might see Rosetta having mag. +8 so its worth
    >while to try with big binoculars or telescope. When we know where to look.
    >
    >Our last wish is cooperative weather. Nobody can help us with that.
    >
    >Thanks for any suggestion or more specific reply.
    >
    >Bram Dorreman
    >COSPAR 4160
    >51 16' 45.5" N  5 28' 36.6" E (WGS84) 35 m
    >
    >
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