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Choreography NC.41

From Hristov, Hristova, Puzynin, Puzynina, Sharipov & Tukhliev (2024)

Choreography NC.41 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 151.66 time units, published by Hristov, Hristova, Puzynin, Puzynina, Sharipov & Tukhliev (2024). Choreographies whose knot is not a power of the figure-eight’s: three bodies on one closed curve with a topology of its own. Computed to 180 digits; all unstable. It is unstable (largest Floquet multiplier 6923631), so a small nudge makes it unravel over a few periods. The bodies pass within 0.023 of each other at a top speed of 6.82, line up 96 times a period, and the computed loop closes to 3.8×10⁻²⁴.

Measured over one period

Period: 151.6571775
Masses: 1 : 1 : 1
Energy: -0.922087
Angular momentum: 0
Closest approach: 0.02304
Top speed: 6.821
Path length: 295.22
Alignments per period: 96
Topology: aaaaBAbAbaBAAbaBaBaBabABBBAbaaBAbbaBAAABabAbAbAbaBBAbaBaBAbbbbAB (free-group class)
Stability: unstable (|λ|max 6.9×10⁶, published)
Loop closure: 3.8×10⁻²⁴

Neighbours on the map

All Nontrivial choreographies, the families of periodic three-body orbits, or the atlas map.