On-orbit refueling is a key enabling technology that will allow a significant increase in the amount of payload mass delivered beyond low-Earth orbit. Despite the potential benefits, there are numerous concerns regarding the operability and scalability of this critical technology. This paper explores the attitude dynamics of two docked spacecraft performing propellant transfer. A vector-dyadic equation is derived to account for the change over time in the mass distribution and the position of the mass center of the stack and moving mass terms omitted in previous literature. Subsequently, the result is applied to two SpaceX-inspired refueling configurations to assess the relative magnitudes of the various terms in the vector-dyadic equation in comparison to the gravity gradient torque.


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    Title :

    Attitude Dynamics of On-orbit Refueling Configurations


    Contributors:

    Conference:

    2022 AAS/AIAA Astrodynamics Specialist Conference ; 2022 ; Charlotte, NC, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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