Efficient algorithms for numerical simulation of the motion of earth satellites

Bordovitsyna, T. V.; Bykova, L. E.; Kardash, A. V.; Fedyaev, Yu. A.; Sharkovskii, N. A.

doi:10.1007/bf00568743

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Numerical Simulation Of the Long Term Orbital Evolution Of O1

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2012

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“…The shadow function is introduced when con sidering light pressure disturbances. Analytical condi tions for entry into the conical shadow are calculated via the rectangular coordinates of the satellite and Sun (Bordovitsyna et al, 1992).…”

Section: Numerical Simulation Of the Long Term Orbital Evolution Of Omentioning

confidence: 99%

The effect of secular resonances on the long-term orbital evolution of uncontrollable objects on satellite radio navigation systems in the MEO region

2012

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We present the results of the study of long term orbital evolution of space debris objects, formed from end of life space vehicles (SV) of satellite radio navigation systems in the medium Earth orbit (MEO) region. Dynamical features of the evolution of objects in this region have been studied on the basis of 20 year laser surveillance with the Etalon 1 and Etalon 2 satellites and the results of numerical simulation of the long term evolution of operating and disposal orbits of uncontrolled GLONASS and GPS SVs. It is shown that perturbations from secular lunisolar resonances produce an eccentricity growth for orbits with inclina tions chosen for navigation constellations; this significantly changes the positions of these orbits in space and results in the ingress of end of life objects into the area of operating SVs.

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Section: Numerical Simulation Of the Long Term Orbital Evolution Of Omentioning

confidence: 99%