Accession Number : AD0428301


Title :   POSITION PREDICTION FOR ACQUISITION IN SATELLITE GEODESY,


Corporate Author : ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD


Personal Author(s) : Patton, R B , Jr


Report Date : Aug 1963


Pagination or Media Count : 26


Abstract : The Coast and Geodetic Survey is conducting a program in satellite geodesy for greater accuracy in geodetic measurement. This is a method of spatial triangulation which requires photographic observation of an identified satellite at three or more points on the earth's surface. SPADATS orbital parameters were used to predict the posi tion of satellites relative to the APG tracking station site. These predictions provided a very reliable means of acquisition. The computing method for converting the orbital parameters to position as a function of time is presented in detail. In addition, methods are described for estimating the amount of sunlight that is expected to be reflected to tracking stations by passive satellites such as ECHO. (Author)


Descriptors :   *OPTICAL TRACKING , *ARTIFICIAL SATELLITES , ARTIFICIAL SATELLITES , COMMUNICATION SATELLITES , GEODESICS , MATHEMATICAL PREDICTION , PHOTOGRAMMETRY , BALLISTIC CAMERAS , ORBITS , POSITION FINDING


Distribution Statement : APPROVED FOR PUBLIC RELEASE