Statistical analysis of the orbital motion of selected Earth’s artificial satellites during the 24th cycle of solar activity

1Bilinsky, AI, 1Baran, OA, 1Stodilka, MI, 1Vovchyk, YB, Kovalchuk, MM
1Astronomical Observatory of Ivan Franko National University of Lviv, Lviv, Ukraine
Kinemat. fiz. nebesnyh tel (Online) 2021, 37(6):62-84
Start Page: Earth's Rotation and Geodynamics
Language: Ukrainian

Statistical analysis of selected parameters of solar activity and orbital motion of artificial sateliites of the Earth during the 24th cycle of soiar activity was performed. Inaciive satellites, rocket bodies and their debris moving mainly in low orbits were selected for the study. Different algorithms of analysis were applied to the time series of solar radiation flux F10.7 and the calculated rate of orbital deceleration dP/dt of the studied space objects (SO): estimation of their annual statistical characteristics, study of these parameters for periodicity (wavelet analysis), additive selection of trend and seasonal components. It is obiained that the rate of orbital deceleraiion of sateliites increases 10 times near the maximum of solar activity (2012—2014). For SO 06073 and SO 31117, we confirmed the presence of seasonal changes in solar radiation F10.7 and kinematic parameter dP/dt, their cyclicity with a period of 27 days, etc. There is a strong anticorrelation between the trends of the relevant parameters within -0.73...-0.95 for SO 31117 in the period 2011—2018, within -0.82...-0.95 for SO 37794 in the period 2012—2018.

Keywords: artificial satellites of the Earth, elements of orbits, flux of solar radiation, solar activity, statistical analysis, time series

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