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Choreography SC.93

From Simó (2001)

Choreography SC.93 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 11.167 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 67626), so a small nudge makes it unravel over a few periods. The bodies pass within 0.0583 of each other at a top speed of 4.06, line up 42 times a period, and the computed loop closes to 7.0×10⁻²⁷.

Measured over one period

Period: 11.16653699
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 1.0664
Closest approach: 0.05829
Top speed: 4.061
Path length: 53.962
Alignments per period: 42
Topology: aaaabAbAbAbABBBB (free-group class, read from the drawing)
Stability: unstable (|λ|max 6.8×10¹⁷)
Loop closure: 7.0×10⁻²⁷

Neighbours on the map

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