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Choreography SC.290

From Simó (2001)

Choreography SC.290 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 16.306 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 12138), so a small nudge makes it unravel over a few periods. The bodies pass within 0.081 of each other at a top speed of 3.88, line up 102 times a period, and the computed loop closes to 3.8×10⁻²⁷.

Measured over one period

Period: 16.30629575
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 1.0594
Closest approach: 0.08098
Top speed: 3.875
Path length: 76.823
Alignments per period: 102
Stability: unstable (|λ|max 1.2×10¹⁷)
Loop closure: 3.8×10⁻²⁷

Neighbours on the map

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