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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">phmath</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Государственного университета просвещения. Серия: Физика-Математика</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Federal State University of Education. Series: Physics and Mathematics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-5083</issn><issn pub-type="epub">2949-5067</issn><publisher><publisher-name>Federal State University of Education</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18384/2310-7251-2022-4-35-44</article-id><article-id custom-type="elpub" pub-id-type="custom">phmath-570</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>Моделирование движения космического тела в неоднородном гравитационном поле</article-title><trans-title-group xml:lang="en"><trans-title>Simulation of the motion of a cosmic body in an inhomogeneous gravitational field</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антонов</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонов Владислав Сергеевич – студент второго курса физико-математического факультета</p><p>141014, Московская область, г. Мытищи, ул. Веры Волошиной, д. 24</p></bio><bio xml:lang="en"><p>Vladislav S. Antonov – Second-year student, Faculty of Physics and Mathematics</p><p>ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region</p></bio><email xlink:type="simple">vlad230805566@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калашников</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalashnikov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калашников Евгений Владимирович – доктор физико-математических наук, профессор кафедры вычислительной математики и информационных технологий</p><p>141014, Московская область, г. Мытищи, ул. Веры Волошиной, д. 24</p></bio><bio xml:lang="en"><p>Evgenii V. Kalashnikov – Dr. Sci. (Phys.-Math.), Prof., Department of Computational Mathematics and Information Technology</p><p>ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region</p></bio><email xlink:type="simple">ekevkalashnikov1@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный областной университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Region State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>35</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Антонов В.С., Калашников Е.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Антонов В.С., Калашников Е.В.</copyright-holder><copyright-holder xml:lang="en">Antonov V.S., Kalashnikov E.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.physmathmgou.ru/jour/article/view/570">https://www.physmathmgou.ru/jour/article/view/570</self-uri><abstract><p>Цель. Моделирование поведения нескольких тел с ньютоновским потенциалом взаимодействия. Выделение в этой системе двух тел с целью изучения их сближения.</p><p>Процедура и методы исследования. Строится система дифференциальных уравнений второго порядка. Эти уравнения переводятся в систему алгебраических уравнений. В системе нескольких тел выделяются два тела. Исследуется взаимное поведение этих тел путём вариации масс остальных тел системы. Всё исследование строится на языке Python.</p><p>Результаты проведённого исследования. Найдены траектории движения тел в модели, в неоднородном гравитационном поле, сформированном самими этими телами. Найдены траектории сближения двух выделенных тел. Проведены исследования устойчивости такой траектории.</p><p>Теоретическая и/или практическая значимость. В системе нескольких тел, взаимодействующих через гравитационные потенциалы между собой, выделена подсистема двух тел. Рассмотрена устойчивость орбиты сближения двух тел в поле действия остальных тел выбранной системы. Практическая значимость выражена в исследовании безопасности Земли. </p></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. We simulate the behavior of several bodies with Newtonian interaction potential and identify two bodies in this system in order to study their convergence.</p></sec><sec><title>Methodology</title><p>Methodology. A system of second-order differential equations is constructed. These equations are translated into a system of algebraic equations. In a system of several bodies, two bodies are distinguished. The mutual behavior of these bodies is investigated by varying the masses of the remaining bodies of the system. All research is based on the Python language.</p></sec><sec><title>Results</title><p>Results. The trajectories of motion of bodies in an inhomogeneous gravitational field formed by these bodies themselves are found. The approach trajectories of two selected bodies are obtained. The stability of such a trajectory is studied.</p></sec><sec><title>Research implications</title><p>Research implications. In a system of several bodies interacting through gravitational potentials, a subsystem of two bodies is singled out. The stability of the orbit of rendezvous of two bodies in the field of action of other bodies of the chosen system is considered. The practical significance is expressed in the study of the security of the Earth.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ньютоновский потенциал</kwd><kwd>моделирование системы нескольких тел</kwd><kwd>сближение двух тел</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Newtonian potential</kwd><kwd>modeling of a system of several bodies</kwd><kwd>convergence of two bodies</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Авдюшев В. 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