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Broucke region HS.110

From Hristov, Hristova & Tanikawa (2026)

Broucke region HS.110 is a periodic orbit of the planar three-body problem: three equal masses that return to their starting positions and velocities every 184.88 time units, published by Hristov, Hristova & Tanikawa (2026). Stable orbits related to Broucke’s isosceles orbit, with one body swinging through the other two. It is linearly stable (largest Floquet multiplier 1.000), so a small nudge only makes it wobble. The bodies pass within 0.000148 of each other at a top speed of 82.3, line up 192 times a period, and the computed loop closes to 2.4×10⁻²³.

Measured over one period

Period: 184.8763695
Masses: 1 : 1 : 1
Energy: -1.36304
Angular momentum: 0
Closest approach: 1.5×10⁻⁴
Top speed: 82.27
Path length: 446.74
Alignments per period: 192
Stability: stable (|λ|max 1.000, published)
Loop closure: 2.4×10⁻²³

Neighbours on the map

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