URL https://www.researchgate.net/profile/Dmitry-Roldugin/publication/313085860/figure/fig3/AS:459064166621186@1486460834641/Angle-after-10-orbits-Fig-7-Angle-r-for-a-set-of-inclinations-r-0-r-20-Figure-6.png
URL2 https://www.researchgate.net/figure/Angle-after-10-orbits-Fig-7-Angle-r-for-a-set-of-inclinations-r-0-r-20-Figure-6_fig3_313085860
