This Demonstration animates the flight of the Rosetta spacecraft's mission to comet 67P/Churyumov–Gerasimenko. This spacecraft used a technique called gravitational assist three times with the Earth and once with Mars.
The time step is one day, positions are at midnight, and the speed is measured relative to the Sun. The origin is at the Sun and the positive axis points towards the vernal equinox.
Nothing here is modeled; all positions of the spacecraft and planets were obtained from NASA JPL. We thank NASA JPL for providing the data. Information about the mission can be found on ESA's Rosetta website.
More information about the gravitational assist can be found in [1]. A manual on how to create such an animation can be found in [2]. For more information, see the author's website.
References
[1] T. Franc, "The Gravitational Assist," in Week of Doctoral Students 2011—Proceedings of Contributed Papers: Part III—Physics (WDS11), Prague (J. Safrankova and J. Pavlu, eds.), Prague: MatfyzPress Publishing House, 2011 pp. 55–60. www.mff.cuni.cz/veda/konference/wds/proc/pdf11/WDS11_309_f12 _Franc.pdf.