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Choreography NC.17

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

Choreography NC.17 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 232.98 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 8235523769646), so a small nudge makes it unravel over a few periods. The bodies pass within 0.179 of each other at a top speed of 2.95, line up 72 times a period, and the computed loop closes to 1.9×10⁻¹⁹.

Measured over one period

Period: 232.9752021
Masses: 1 : 1 : 1
Energy: -0.537041
Angular momentum: 0
Closest approach: 0.1788
Top speed: 2.950
Path length: 341.82
Alignments per period: 72
Stability: unstable (|λ|max 8.2×10¹², published)
Loop closure: 1.9×10⁻¹⁹

Neighbours on the map

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