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Choreography NC.82

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

Choreography NC.82 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 94.376 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 817558590162012), so a small nudge makes it unravel over a few periods. The bodies pass within 0.00497 of each other at a top speed of 14.5, line up 144 times a period, and the computed loop closes to 2.4×10⁻¹⁷.

Measured over one period

Period: 94.37644753
Masses: 1 : 1 : 1
Energy: -1.75278
Angular momentum: 0
Closest approach: 0.004968
Top speed: 14.46
Path length: 262.69
Alignments per period: 144
Stability: unstable (|λ|max 8.2×10¹⁴, published)
Loop closure: 2.4×10⁻¹⁷

Neighbours on the map

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