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Choreography SC.228

From Simó (2001)

Choreography SC.228 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 15.202 time units, published by Simó (2001). Carles Simó’s catalogue of three-body choreographies with nonzero angular momentum, the curves that made choreographies famous. All unstable except the figure-eight. It is unstable (largest Floquet multiplier 8.9815e+22), so a small nudge makes it unravel over a few periods. The bodies pass within 0.0473 of each other at a top speed of 5.19, line up 66 times a period, and the computed loop closes to 5.3×10⁻²⁵.

Measured over one period

Period: 15.20164683
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 1.1122
Closest approach: 0.04729
Top speed: 5.187
Path length: 72.674
Alignments per period: 66
Topology: unresolved (close passages hide the crossings in the drawing)
Stability: unstable (|λ|max 9.0×10²²)
Loop closure: 5.3×10⁻²⁵

Neighbours on the map

All Simó’s choreographies, the families of periodic three-body orbits, or the atlas map.