Secular perturbation (Laplace-Lagrange)
What you are seeing: two coupled planets exchange eccentricity on the secular (long) timescale. The eccentricities oscillate as the eigenmodes beat against each other.
e_00.15
coupling0.30
e_2:0.10
0.10WHAT TO TRY
- Vary each control and watch the rail readouts respond.
- Compare the diagnostic plot against the live scene.