This paper compares three different methods of Titan atmospheric density reconstruction for the Titan 87 Cassini flyby. T87 was a unique flyby that provided independent Doppler radiometric measurements on the ground throughout the flyby including at Titan closest approach. At the same time, the onboard accelerometer provided an independent estimate of atmospheric drag force and density during the flyby. These results are compared with the normal method of reconstructing atmospheric density using thruster on-time and angular momentum accumulation. Differences between the estimates are analyzed and a possible explanation for the differences is evaluated.


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    Title :

    Titan Density Reconstruction Using Radiometric and Cassini Attitude Control Flight Data


    Contributors:

    Conference:

    AIAA SciTech 2015 ; 2015 ; Kissimmee, FL, United States


    Publication date :

    2015-01-05


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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