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Choreography SC.57

From Simó (2001)

Choreography SC.57 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 8.8549 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 37046), so a small nudge makes it unravel over a few periods. The bodies pass within 0.0367 of each other at a top speed of 5.97, line up 30 times a period, and the computed loop closes to 1.8×10⁻²⁶.

Measured over one period

Period: 8.854877820
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 0.96286
Closest approach: 0.03673
Top speed: 5.975
Path length: 42.263
Alignments per period: 30
Stability: unstable (|λ|max 3.7×10¹⁷)
Loop closure: 1.8×10⁻²⁶

Neighbours on the map

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