Solving procedure for the motion of infinitesimal mass in BiER4BPстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 29 апреля 2021 г.
Аннотация:In this paper, we present a new ansatz for solving equations of motion for the trapped orbits of the infinitesimal mass m, which is moving near the primary M3 in case of bi-elliptic restricted problem of four bodies (BiER4BP), where three primaries M1, M2, M3 are rotating around their common centre of mass on elliptic orbits with hierarchical configuration M3 << M2 << M1.A new type of the solving procedure is implemented here to obtain the coordinates of the infinitesimal mass m with its orbit located near the primary M3. Meanwhile, the system of equations of motion has been successfully explored with respect to the existence of analytical or semi-analytical (approximated) way for presentation of the solution.We obtain as follows: 1) the solution for coordinate x is described by the key non-linear ordinary differential equation of fourth order at simplifying assumptions, 2) solution for coordinate y is given by the proper analytical expression, depending on coordinate x and true anomaly f, 3) the expression for coordinate z is given by the equation of Riccati-type - it means that coordinate z should be quasi-periodically oscillating close to the fixed plane {x,y,0}.