Deep space navigation, particularly the Orbit Determination (OD) operations of Cassini at Saturn, cannot easily be automated due to the complex dynamical environment in which the spacecraft flies; however several sub-processes are automated. The Cassini OD operations are often faced with unique challenges that require more than routine procedures. The OD Team is staffed appropriately to meet the demanding schedules and allow some level of flexibility. This paper will discuss how the OD processes are developed and the seven-member OD team is scheduled to support efficient and accurate Cassini navigation operations. Also discussed will be the requirements of the radio-metric Doppler and range tracking data acquired via the Deep Space Network and the optical navigation images of the satellites to support the daily OD operations. Furthermore, the reliability of the OD solutions, which is ensured within the framework of the OD processes, will be explained.


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    Title :

    Orbit Determination Processes for the Navigation of the Cassini-Huygens Mission


    Contributors:

    Conference:

    SpaceOps 2008 ; 2008 ; Heidelberg, Germany


    Publication date :

    2008-05-12


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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