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Analysis of Performance Characteristics of a Low-Orbit Space Remote Sensing System Based on a Two-Mirror Ritchey–Chrétien Optical Design
V.V. Salmin 1, V.V. Volotsuev 1, K.V. Petrukhina 1, S.L. Safronov 1, I.S. Tkachenko 1, M.D. Korovin 1

1 Samara National Research University,
443086, Samara, Russia, Moskovskoye Shosse 34

 PDF, 1158 kB

DOI: 10.18287/COJ1836

Pages: 1236-1242.

Full text of article: Russian language.

Abstract:
The article presents an analysis of size and mass characteristics of an optical space-based remote Earth sensing system. An approach for modification of the two-mirror Ritchey–Chrétien optical design is proposed in order to be able to implement it on board of a low-orbit streamlined satellite fitted with an electric propulsion system for orbit correction. A procedure for joint optimization of the satellite platform and payload characteristics is described. An analysis of the propulsion system is carried out. A method for designing low-orbit small surveillance spacecraft with optical payload fitted with a swivel mirror, capable to produce high-resolution imagery, is proposed. A preliminary design of a low-orbit streamlined satellite, obtained using the developed method, is presented.

Keywords:
Earth remote sensing, corrective electric propulsion system, orbit maintenance, optical system with a swivel mirror, dual-mirror optical system.

Citation:
Salmin VV, Volotsuev VV, Petrukhina KV, Safronov SL, Tkachenko IS, Korovin MD. Analysis of Performance Characteristics of a Low-Orbit Space Remote Sensing System Based on a Two-Mirror Ritchey–Chrétien Optical Design. Computer Optics 2025; 49(6): 1236-1242. DOI: 10.18287/COJ1836.

Acknowledgements:
The research was carried out at the expense of the grant of the Ministry of Education and Science of Russia for the implementation of a major scientific project within the framework of priority areas of scientific and technological development (agreement No. 075-15-2024-558 of 25.04.24).

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