9867

MESSENGER Spaceflight

This Demonstration shows an animation of the flight of the MESSENGER spacecraft's mission to Mercury. This spacecraft used a technique called gravitational assist six times—once with the Earth, twice with Venus, and three times with Mercury. Mercury orbit insertion occured on March 18, 2011.
MESSENGER stands for MErcury Surface, Space ENvironment, GEochemistry, and Ranging.
The orbits of the planets have the following colors: Mercury: orange, Venus: brown, Earth: blue, Mars: red.

SNAPSHOTS

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DETAILS

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 with the positive axis pointing toward 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 NASA's MESSENGER 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 (WDS 2011), 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.
[2] T. Franc, "Gravitational Assisted Trajectories—Making Your Own Pictures and Trajectory Study," in Proceedings GIREP-EPEC Conference 2011, Physics Alive, Jyväskylä, Finland (A. Lindell, A. Kähkönen, and J. Viiri, eds.), Jyväskylä, Finland: University of Jyväskylä, 2011 pp. 202–207. www.jyu.fi/en/congress/girep2011/main-page/electronic-proceedings-of-the-girep-epec-2011-conference.pdf.
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