Computer Science
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jbis...35..355k&link_type=abstract
British Interplanetary Society, Journal (Orbital Dynamics), vol. 35, Aug. 1982, p. 355-362.
Computer Science
Explorer 19 Satellite, Orbit Calculation, Photographic Tracking, Satellite Orbits, Satellite Tracking, Accuracy, Cameras, Cinetheodolites, Orbital Elements, Standard Deviation, U.S.S.R.
Scientific paper
The advantages of adding observations from the AFU-75 or Hewitt ground-based cameras to characterize satellite orbits already tracked visually, by radar, and by theodolite are discussed. A total of 13 Soviet AFU-75 cameras were operating in 1970 at different sites in the world, tracking satellites with an accuracy of 1-3 arcsec. Hewitt camera observations from Edinburgh have furnished additional data, with both camera systems having been employed to observe the path of the Explorer 19 balloon satellite. Sightings made of the Explorer during Oct. 1972 are reviewed, including methods of adjustment in recorded measurements to yield compatible results from world wide tracking facilities. The use of the camera systems was found to offer as much as a factor of 11 improvement in the accuracy of satellite tracking.
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