During the Fall 2006 inclination campaign for the Aqua spacecraft it was discovered that there was significant uncertainty in the prediction of the semimajor axis change during a maneuver. The low atmospheric drag environment at the time of the maneuvers amplified the effects of this uncertainty leading to a potential violation of the spacecraft ground-track requirements. In order to understand the uncertainty, a Monte Carlo simulation was developed to characterize the expected semi-major axis change uncertainty given the observed behavior of the spacecraft propulsion and attitude control systems during a maneuver. This expected uncertainty was then used to develop new analysis tools to ensure that future inclination maneuver plans will .meet ground-track control requirements in the presence of the error.


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    Title :

    Understanding Maneuver Uncertainties during Inclination Maneuvers of the Aqua Spacecraft


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2007 ; Mackinac Island, MI, United States


    Publication date :

    2007-08-19


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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