The increase in the number of satellites and space debris in low Earth orbit (LEO) makes tracking these objects and avoiding collisions a major endeavor. A particularly important issue is the determination of the altitude of these objects, which in many cases is not known with a precision better than 1 km. Here we present the idea of using simultaneous observations by 2 optical telescopes, separated by a few hundred km, to refine the altitude measurement of these objects to a precision of 10 m. We discuss the requirements for such a system, like aperture, timing precision, and the precision to which one needs to know the positions of the telescopes and background stars.


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    Titel :

    Precise altitude measurements of LEO objects with simultaneous observations by multiple telescopes


    Beteiligte:

    Kongress:

    Sensors and Systems for Space Applications V ; 2012 ; Baltimore,Maryland,United States


    Erschienen in:

    Erscheinungsdatum :

    2012-05-07





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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