Physics – Optics
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8310098r&link_type=abstract
Unknown
Physics
Optics
Artificial Satellites, Electro-Optics, Low Altitude, Orbits, Satellite Tracking, Sensors, Signal Processing, Brightness, Cameras, Sunlight, Surveillance, Telescopes, Video Equipment
Scientific paper
An electro-optical sensor consisting of the ETS 31-inch f/5 telescope, a readily-available silicon vidicon TV camera, and a video signal processing system was used to acquire and track low altitude satellites in daylight from reflected sunlight. The limiting magnitude was 8m3. In demonstrating this, a total of 20 satellite tracks on 18 different satellites was achieved in full daylight during one day, and accurate precision positional data on 13 of the tracks were sent to the NORAD Space Defense Center. This demonstrated proof-of-concept might provide an enhanced GEODSS daylight operation. In connection with experiments in daylight space surveillance, an atmospheric phenomenon was encountered which consists primarily of point images, apparently windblown, moving through the field-of-view. The leading candidates are seed vehicles, insects, and ice crystals. A parallax technique has been demonstrated to separate these objects, dubbed "angels,' from artificial satellites.
Lin Saulwood
Rork Eugene W.
Yakutis A. J.
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