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Arenstorf orbit

Arenstorf orbits are closed trajectories of the restricted three-body problem. That is, two bodies of masses m and 1-m moving in a circular rotation, and a third body of negligible mass moving in the same plane.
The computation of these orbits is very sensitive to small errors and are a good test for the accuracy of numerical methods for solving Ordinary Differential Equations.
The simulation displays the results of solving the equations with a fixed 4-th order Runge-Kutta method, and an adaptive-step Runge-Kutta-Fehlberg. The results are much better due to the adaptive nature of the RKF method.

Click to start the applet

Click on the image to start the applet.

Applet ‘Arenstorf Orbit’.

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Page last modified on September 20, 2012, at 08:53 PM