This paper reviews the flight experiences of the BioSentinel propulsion and Attitude Determination and Control System (ADCS) teams. BioSentinel is a 6U cubesat that launched as a secondary payload aboard the Space Launch System's (SLS) maiden flight in November of 2022 and is now operating in an Earth trailing heliocentric orbit. We discuss the mission's original GNC approach as well as several improvements made in-flight, in particular a novel approach to gyro bias estimation in the spacecraft’s sun safe controller. The development and flight experience of the spacecraft's RCS propulsion system is also discussed, along with modifications made to the momentum management approach in response to a failed thruster valve. Finally, we present lessons learned and recommendations for GNC design in future deep-space cubesats.


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    Title :

    GN&C Flight Experience and Lessons Learned from BioSentinel: A 6U Deep Space Cubesat


    Contributors:

    Conference:

    46th Annual AAS Guidance, Navigation and Control (GN&C) Conference ; 2024 ; Breckenridge, CO, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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