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Orbital resonance

1:1 resonance with Jupiter

The co-orbital resonance that traps the Jupiter Trojans at the planet's L4 and L5 Lagrange points, sharing Jupiter's orbital period.

Orbital resonanceResonance: 1:1

Overview

The co-orbital resonance that traps the Jupiter Trojans at the planet's L4 and L5 Lagrange points, sharing Jupiter's orbital period.

Members

3 modelled members.

  • The first Jupiter Trojan discovered, leading Jupiter at the L4 Lagrange point in the 'Greek camp'.

    CategoryTrojanDiameter130 kmDiscovered1906
  • A binary Jupiter Trojan trailing Jupiter at the L5 'Trojan camp', and the final flyby target of NASA's Lucy mission.

    CategoryTrojanDiameter140 kmDiscovered1906
  • The vast swarm of asteroids sharing Jupiter's orbit in a 1:1 resonance, split between the leading Greek camp and the trailing Trojan camp — the target population of NASA's Lucy mission.

    CategoryTrojan

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.