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Choreography SC.55

From Simó (2001)

Choreography SC.55 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 8.8091 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 15811), so a small nudge makes it unravel over a few periods. The bodies pass within 0.0467 of each other at a top speed of 5.37, line up 24 times a period, and the computed loop closes to 2.6×10⁻²⁸.

Measured over one period

Period: 8.809142692
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 0.99072
Closest approach: 0.04671
Top speed: 5.368
Path length: 42.609
Alignments per period: 24
Stability: unstable (|λ|max 1.6×10¹²)
Loop closure: 2.6×10⁻²⁸

Neighbours on the map

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