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vol 62 / September, 2019
Article

DOI 10.17586/0021-3454-2015-58-10-798-803

UDC 78.25.15.43

MANEUVERING BY SPACECRAFT TO IMPROVE CHARACTERISTICS OF THE EARTH SURFACE AREA OBSERVATION

N. F. Averkiev
Mozhaysky Military Space Academy, Department of Navigation and Ballistic Support in Aerospace Means Application and Aircraft Flight Theory, St. Petersburg; Professor


V. V. Salov
Mozhaysky Military Space Academy, Department of Navigation and Ballistic Support in Aerospace Means Application and Aircraft Flight Theory, St. Petersburg;


S. A. Vlasov
A. F. Mozhaysky Military Spaсe Academy, Department of Navigation and Ballistic Support of Aerospace Means Application and Aircraft Flight Theory;


V. V. Kiselev
Mozhaysky Military Space Academy, Department of Navigation and Ballistic Support in Aerospace Means Application and Aircraft Flight Theory, St. Petersburg; Graduate Student


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Abstract. The problem of increasing the number of a spacecraft passes above a given observation area for several days a row through the spacecraft maneuvering is considered. Analytical expressions relating duration of observation time gap in days and the latitudinal width characteristic of the swath are presented. The gap areas based on quasi-synchronous orbits are constructed. It is shown that different conditions of observation of a given region (observation gap expressed in days or the time of maximal break in the observation) are realized depending on relation between the mutually simple numbers q and p characterizing the quasi-synchronous orbit. The speed control pulse to change period of the spacecraft revolution is evaluated and orbits allowing an improvement of observation conditions are specified.
Keywords: ballistic structure, bandwidth survey on latitude, spacecraft maneuver

References:
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