Tuesday, October 07, 2025

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New Stable, Low-Energy Orbits Discovered for Earth-Moon Cycle

Analysis of new stable, low-energy orbital paths in the Earth-Moon system

From Hacker News Original Article Hacker News Discussion

New research identifies stable, cyclic orbits between the Earth and Moon that require no propulsion, offering new possibilities for space travel and exploration.

Why it matters: These stable orbits reduce the need for propulsion, easing lunar exploration and resupply missions.

The big picture: Such resonance orbits likely exist around moons of other planets, suggesting broader implications for space dynamics.

Stunning stat: Perilune altitudes range from 750 km to over 6,000 km, with some orbits offering windows of several hundred kilometers.

Commenters say: Users highlight the practical benefits for lunar missions and speculate on natural objects already occupying these stable orbits.