Comparison of the Geostationary Operational Environmental Satellite (GOES) instrument thermal model predictions with on-orbit data shows that the models capture the observed temperature and misalignment trends. Lack of precise knowledge as to spacecraft pointing precludes such comparison with instrument pointing predictions. Based on the models, thermally induced instrument attitude variation will dominate GOES N-Q Image Motion Compensation (IMC). Errors due to day-to-day changes in the attitude profiles are predicted to be under 10 microradians except for rapid scans where disturbances may reach 30 microradians.


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    Title :

    Validating GOES Instrument Thermal Deformations


    Contributors:
    Harter, Peter (author) / Ghaffarian, Benny (author) / Ng, Ray (author) / Pugh, Brett (author) / Wilkin, Paul (author) / Sayal, Chetan (author) / Chu, Don (author)


    Publication date :

    2001-06-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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