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Choreography NC.162

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

Choreography NC.162 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 293.32 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 4641272535648), so a small nudge makes it unravel over a few periods. The bodies pass within 0.00383 of each other at a top speed of 16.2, line up 312 times a period, and the computed loop closes to 2.1×10⁻¹⁸.

Measured over one period

Period: 293.3242577
Masses: 1 : 1 : 1
Energy: -1.38787
Angular momentum: 0
Closest approach: 0.003834
Top speed: 16.17
Path length: 781.72
Alignments per period: 312
Topology: 0 (free-group class)
Stability: unstable (|λ|max 4.6×10¹³, published)
Loop closure: 2.1×10⁻¹⁸

Neighbours on the map

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