The Deep Space Climate Observatory (DSCOVR), formerly known as Triana, successfully launched on February 11th, 2015. To date, each of the five space-craft attitude control system (ACS) modes have been operating as expected and meeting all guidance, navigation, and control (GN&C) requirements, although since launch, several anomalies were encountered. While unplanned, these anomalies have proven to be invaluable in developing a deeper understanding of the ACS, and drove the design of three alterations to the ACS task of the flight software (FSW). An overview of the GN&C subsystem hardware, including re-furbishment, and ACS architecture are introduced, followed by a chronological discussion of key events, flight performance, as well as anomalies encountered by the GN&C team.


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    Title :

    Launch and Commissioning of the Deep Space Climate Observatory


    Contributors:
    N. P. Frey (author) / E. P. Davis (author)

    Publication date :

    2016


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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