The Third International Sun-Earth Explorer satellite (ISEE-3) was rechristened Internation Cometary Explorer (ICE) when the spacecraft left the Earth-Moon system after a close Lunar flyby on 1983 December 22. On 1985 September 11, ICE will pass through the inner parts of the tail of Comet Giacobini-Zinner to obtain the first in-situ measurements of any comet. Since the spacecraft has no cameras, its trajectory will be determined only from radio tracking. Astrometric updates of Comet Giacobini-Zinner will be critical for the final targeting of the spacecraft to achieve a successful encounter. ICE's flyby of Comet Giacobini-Zinner will provide valuable experience for the astrometry needed to target other spacecraft to encounter Hally's Comet six months later.


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    Title :

    Astrometric needs for the ISEE-3/ICE mission to Comet Giocobini-Zinner


    Contributors:


    Publication date :

    1984-11-15


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :



    Trajectories and orbital maneuvers for the ISEE-3/ICE comet mission

    Farquhar, R. / Muhonen, D. / Church, L. C. | NTRS | 1984


    The plasma regime at comet Giacobini-Zinner

    Ogilvie, Keith W. | Elsevier | 1985


    Trajectories and orbital maneuvers for the ISEE-3/ICE comet mission

    FARQUHAR, R. / MUHONEN, D. / CHURCH, L. | AIAA | 1984