We describe multi-baseline observations of a geostationary satellite using the Navy Precision Optical Interferometer (NPOI) during the glint season of March 2015. We succeeded in detecting DirecTV-7S with an interferometer baseline length of 8.8 m on two nights, with a brief simultaneous detection at 9.8 m baseline length on the second night. These baseline lengths correspond to a resolution of 4 m at geostationary altitude. This is the first multiple-baseline interferometric detection of a satellite.


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    Title :

    Multiple-Baseline Detection of a Geostationary Satellite with the Navy Precision Optical Interferometer


    Contributors:
    J. T. Armstrong (author) / E. K. Barnes (author) / H. R. Schmitt (author) / S. R. Restaino (author) / J. H. Clark (author) / J. A. Benson (author) / D. J. Hutter (author) / R. T. Zavala (author)

    Publication date :

    2015


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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