Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 519.21 Doi: 10.31772/2587-6066-2020-21-2-170-175
ON THE LOCATION OF SPACECRAFT IN A GIVEN NUMBER OF ORBITS
G. P. Egorythev, Т. A. Shiryaeva, A. K. Shlepkin, K. A. Filippov, I. L. Savostyanova
Siberian Federal University; 70, Svobodny Av., Krasnoyarsk, 660074, Russian Federation Krasnoyarsk State Agrarian University; 90, Mira Av., Krasnoyarsk, 660049, Russian Federation Reshetnev Siberian State University of Science and Technology; 31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037, Russian Federation
Space vehicles are an expensive product. For example, just putting such a device into orbit costs at least one hundred million dollars plus the cost of the satellite itself and scientific equipment it carries. However, the cur-rent state of human civilization does not allow us to do without the presence of satellites in orbit. There were 2,062 active satellites in the international database as of March 2019. Compared to 2018, the number of new devices increased by 15 %. Experts warn that in the coming years, the world is expecting a «satellite boom» with a projected increase in the number of devices of about 15–30 % annually. All these satellites are rather different. Currently, several orbits are used for placing satellites on them, depending on the tasks they solve. A geostationary orbit is used for live television broadcasting. Low satellite orbits are used for communication between satellite phones. There are some orbits for navigation systems (GPS, Navstar, GLONASS). Naturally, under these conditions, there is a prob-lem of placing spacecraft over a given number of orbits, with some restrictions on the location of the spacecraft in certain orbits, depending on the purpose of the spacecraft. The solution to this problem is considered on the condition that the number of spacecraft coincides with the number of possible orbits in which they can be placed with some additional re-strictions on the possibility of their placement in orbit. Several solutions to this problem are obtained that allow us to calculate the number of possible combinations for such placement of spacecraft over a given number of orbits.
Keywords: satellite, orbit, substitution, permanent.
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Egorychev Georgiy Petrovich – D. Sc., Professor, Siberian Federal University. E-mail: egorychev@sfu-kras.ru.
Shiryaeva Tamara Alekseevna – Cand. of physical and mathematical Sc., Associate Professor, associate Professor
of the Department Information technologies and mathematical support of information systems; Krasnoyarsk State
Agrarian University. E-mail: info@kgau.ru.
Shlepkin Anatoly Konstantinovich – D. Sc., Professor, Professor of the Department Higher mathematics and computer modeling; Krasnoyarsk State Agrarian University. E-mail: ak_kgau@mail.ru.
Filippov Konstantin Anatolevich – D. Sc., Associate Professor, Professor of the Department Information technologies and mathematical support of information systems; Krasnoyarsk State Agrarian University. E-mail:
info@kgau.ru.
Savostyanova Irina Leonidovna – Cand. Sc., Associate Professor of the Department of IES; Siberian State University of Science and Technology. E-mail: savostyanova@sibsau.ru.  


  ON THE LOCATION OF SPACECRAFT IN A GIVEN NUMBER OF ORBITS