Statistics – Computation
Scientific paper
Jan 1968
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1968saosr.266.....g&link_type=abstract
SAO Special Report #266 (1968)
Statistics
Computation
Scientific paper
From the time-overlapping sequences of precisely reduced simultaneous satellite observations made by the Baker-Nunn camera, directions were derived from the participating stations to single synthesized satellite positions. To determine these synthetic observations, we used an auxiliary coordinate system to avoid computational difficulties for observations of satellites close to the celestial pole. A least-squares fitting of the specified degree polynomial and an interpolation for the median overlapping time (Tq) were made. Synthetic observations, reduced and corrected for the effects of planetary and diurnal aberrations, polar motion, and parallactic refraction, were converted to the terrestrial coordinate system and a are expressed in the form of direction cosines. The angular satellite velocity (ω), track angle (φ), and the standard deviations along and across track (σξ,ση) were derived; the latest one, combined with one low-quality observation rejection criterion.
Girnius A.
Joughin W. L.
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