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Moth region HS.266

From Hristov, Hristova & Tanikawa (2026)

Moth region HS.266 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 280.61 time units, published by Hristov, Hristova & Tanikawa (2026). Stable orbits from the moth-like part of the search domain, between the figure-eight and the Schubart regions. It is linearly stable (largest Floquet multiplier 1.000), so a small nudge only makes it wobble. The bodies pass within 0.000156 of each other at a top speed of 80, line up 296 times a period, and the computed loop closes to 8.1×10⁻²⁴.

Measured over one period

Period: 280.6127968
Masses: 1 : 1 : 1
Energy: -1.36760
Angular momentum: 0
Closest approach: 1.6×10⁻⁴
Top speed: 79.95
Path length: 704.02
Alignments per period: 296
Topology: abaBAbabABabaBAbabABabaBAbaBABabABAbaBABabABAbaBAbabABabaBAbabABabaBAbaBABabABAbaBABabABAbaBAbabABabaBAbabABabaBAbabABabABAbaBABabABAbaBABabABabaBAbabABabaBAbabABabABAbaBABabABAbaBABabAB (free-group class)
Stability: stable (|λ|max 1.000, published)
Loop closure: 8.1×10⁻²⁴

Neighbours on the map

All Moth region, the families of periodic three-body orbits, or the atlas map.