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Choreography SC.73

From Simó (2001)

Choreography SC.73 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 9.9986 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 4.9761e+23), so a small nudge makes it unravel over a few periods. The bodies pass within 0.0735 of each other at a top speed of 3.65, line up 42 times a period, and the computed loop closes to 3.5×10⁻²⁴.

Measured over one period

Period: 9.998635876
Masses: 1 : 1 : 1
Energy: -4.50000
Angular momentum: 1.0927
Closest approach: 0.07352
Top speed: 3.647
Path length: 48.252
Alignments per period: 42
Stability: unstable (|λ|max 5.0×10²³)
Loop closure: 3.5×10⁻²⁴

Neighbours on the map

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