Astronomy and Astrophysics – Astronomy
Scientific paper
May 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975kosis..13..337k&link_type=abstract
Kosmicheskie Issledovaniia, vol. 13, May-June 1975, p. 337-341. In Russian.
Astronomy and Astrophysics
Astronomy
Reference Stars, Satellite Orientation, Spacecraft Stability, Star Trackers, Astronomical Photometry, Celestial Sphere, Cosmos Satellites, Geomagnetism, Guidance Sensors, Satellite-Borne Instruments, Trajectory Analysis, Visual Fields
Scientific paper
Several criteria are considered for determining the orientation of a satellite in addition to fixes on bright stars and measurements of the geomagnetic-field vector. Methods used in orienting Cosmos 215 are reviewed, and it is shown that these criteria can be employed for satellite orientation: the relative positions of several faint stars, stellar color indices, the time required for a star to transit the field of view of a star sensor, the time required for the earth's limb to transit the same field of view, changes in the background detected by a star sensor when scanning near the moon while the latter is almost full, and the background level in a star sensor when scanning regions of the sky located in the Milky Way.
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