The direction change from first to second elipse does indeed produce the hook the author visualized. I'm not sure why he had trouble finding examples of this di

The direction change from first to second elipse does indeed produce the hook the author visualized. I'm not sure why he had trouble finding examples of this diagram already existing for suitably scaled orbits. https://www.researchgate.net/profile/Sergey-Zaborsky/publication/318454562/figure/fig1/AS:525307171676160@1502254397349/Scheme-of-bi-elliptic-transfer.png https://www.researchgate.net/profile/Sergey-Zaborsky/publica... https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs40295-015-0043-3/MediaObjects/40295_2015_43_Fig18_HTML.gif https://media.springernature.com/lw685/springer-static/image... From https://www.researchgate.net/figure/Scheme-of-bi-elliptic-transfer_fig1_318454562 https://www.researchgate.net/figure/Scheme-of-bi-elliptic-tr... https://link.springer.com/article/10.1007/s40295-015-0043-3 https://link.springer.com/article/10.1007/s40295-015-0043-3