The methods of tracking Low Earth Orbit (LEO) satellites can be grouped into two different categories: “signal-based” and “program-based” methods. In this paper, we employ a new program-based tracking method to trace satellites, using Two Line orbital Elements (TLE). Using TLE is a simple and well-known method for tracking satellites; however, this paper presents a new algorithm for tracking satellites, based on TLE files. This algorithm, uses an available TLE file to estimate the satellite's position and to update the orbital elements, for any desired time that we are interested in tracing the satellite. The results show that the algorithm is accurate and reliable.
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