Solar-Terrestrial Physics Solar-Terrestrial Physics Solar-Terrestrial Physics 2500-0535 103603 10.12737/stp-113202515 The 15th Russian-Chinese Workshop on Space Weather, September 9–13, 2024, Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia The 15th Russian-Chinese Workshop on Space Weather, September 9–13, 2024, Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia The 15th Russian-Chinese Workshop on Space Weather, September 9–13, 2024, Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia Monitoring of space weather effects with Sozvezdie-270 nanosatellite constellation of Moscow University Monitoring of space weather effects with Sozvezdie-270 nanosatellite constellation of Moscow University Богомолов Андрей Владимирович Bogomolov Andrey Vladimirovich aabboogg@srd.sinp.msu.ru Богомолов Виталий Владимирович Bogomolov Vitaliy Vladimirovich bogovit@rambler.ru

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Июдин Анатолий Федорович Iyudin Anatoliy Fedorovich aiyudin@srd.sinp.msu.ru

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 Калегаев Владимир Владимирович Kalegaev Vladimir Vladimirovich klg@dec1.sinp.msu.ru

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 Мягкова Ирина Николаевна Myagkova Irina Nikolaevna

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Оседло Владислав Ильич Osedlo Vladislav Ilyich osedlo@mail.ru

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Свертилов Сергей Игоревич Svertilov Sergey Igorevich sis@coronas.ru

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 Яшин Иван Васильевич Yashin Ivan Vasilyevich ivn@eas.sinp.msu.ru

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Московский государственный университет имени М.В. Ломоносова Москва Россия M.V. Lomonosov Moscow State University Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation Московский государственный университет им. М.В. Ломоносова Москва Россия M.V. Lomonosov Moscow State University Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation Московский государственный университет им. М.В. Ломоносова Москва Россия M.V. Lomonosov Moscow State University Moscow Russian Federation Научно-исследовательский институт ядерной физики имени Д. В. Скобельцына Москва Россия D.V. Skobeltsyn Scientific Research Institute of Nuclear Physics Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation Московский государственный университет им. М.В. Ломоносова Москва Россия M.V. Lomonosov Moscow State University Moscow Russian Federation МГУ им. М.В. Ломоносова, НИИ ядерной физики им. Д.В. Скобельцына Москва Россия M.V. Lomonosov Moscow State University, D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russian Federation 22 09 2025 22 09 2025 11 3 125 134 28 02 2025 12 05 2025 https://naukaru.ru/en/nauka/article/103603/view

The space project Sozvezdie-270 of Moscow University is in progress now. It involves the deployment of a CubeSat nanosatellites constellation. To the present, 20 satellites have been launched, 9 of them continue to function in near-Earth orbit; one more will be launched in the near future. Instruments were developed specifically for the eхperiments on board small spacecraft of the CubeSat format, which provide measurements of fluxes and spectra of charged particles, primarily electrons of relativistic and sub-relativistic energies, as well as gamma quanta. Along with the space constellation, a network of ground receiving stations is also being created. A multi-satellite constellation gives a number of advantages in studying dynamic processes in near-Earth space. In particular, it makes possible to carry out simultaneous measurements of charged particle fluxes with instruments of the same type at different points in near-Earth space. Such measurements provide unique information about the flux of sub-relativistic electrons, including variations due to precipitation of electrons, which is of great importance for understanding the mechanisms of acceleration and losses of trapped and quasi-trapped electrons in Earth’s radiation belts (ERB). We discuss various recent space weather manifestations associated with increased solar flare activity. Among such effects is the filling of the polar caps with particles of solar cosmic rays, dynamic processes in outer ERB during magnetic storms, rapid variations in electron fluxes due to precipitation.

The space project Sozvezdie-270 of Moscow University is in progress now. It involves the deployment of a CubeSat nanosatellites constellation. To the present, 20 satellites have been launched, 9 of them continue to function in near-Earth orbit; one more will be launched in the near future. Instruments were developed specifically for the experiments on board small spacecraft of the CubeSat format, which provide measurements of fluxes and spectrum of charged particles, primarily electrons of relativistic and sub-relativistic energies, as well as gamma quanta. Along with the space constellation, a network of ground receiving stations is also being created. A multi-satellite constellation gives a number of advantages in studying dynamic processes in near-Earth space. In particular, it makes it possible to carry out simultaneous measurements of charged particle fluxes with instruments of the same type at different points in near-Earth space. Such measurements provide unique information about the flux of sub-relativistic electrons, including variations due to precipitation of electrons, which is of great importance for understanding the mechanisms of acceleration and losses of trapped and quasi-trapped electrons in Earth’s radiation belts (ERB). We discuss various recent space weather manifestations associated with increased solar flare activity. Among such effects is the filling of the polar caps with particles of solar cosmic rays, dynamic processes in outer ERB during magnetic storms, rapid variations in electron fluxes due to precipitation. We discuss various recent space weather manifestations associated with increased solar flare activity. Among such effects is the filling of the polar caps with particles of solar cosmic rays, dynamic processes in outer ERB during magnetic storms, rapid variations in electron fluxes due to precipitation.

 space weather Earth’s radiation belts solar cosmic rays nanosatellites CubeSat space weather Earth’s radiation belts solar cosmic rays nanosatellites CubeSat The work was financially supported by Research and Educational School of M.V. Lomonosov Moscow State University "Fundamental and Applied Space Research", project No. 24-Sh01-05 Sozvezdie-270. It was carried out under Government assignment of M.V. Lomonosov Moscow State University The work was financially supported by Research and Educational School of M.V. Lomonosov Moscow State University "Fundamental and Applied Space Research", project No. 24-Sh01-05 Sozvezdie-270. It was carried out under Government assignment of M.V. Lomonosov Moscow State University

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