Satellite Tracking with a Laser

Details Satellite Tracking with a Laser Satellite Tracking with a Laser

Jun 1966

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1966saosr.215.....l&link_type=abstract

SAO Special Report #215 (1966)

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Scientific paper

For satellite tracking, laser systems have characteristics that supplement the capabilities of Smithsonian's Baker-Nunn cameras. A laser system can measure range. It can operate when a satellite is in the earth's shadow. It can range on a satellite when the sky is too bright for the Baker-Nunn cameras. The range equation and the statistics of the background noise are used to analyze a laser system. The results are applied to the experimental system now in operation at the Smithsonian astrophysical observing station in New Mexico. Ranging at night and during the day is considered for satellites with retroreflecting mirrors. The laser energy needed to photograph such a satellite in the earth's shadow is computed. Calculations show that the present system can range only on satellites that incorporate retroreflectors; however, commercially available components could be used to build a system that should obtain a return signal from a large noncooperative satellite like Echo 2.

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