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Trojan group

Jupiter Trojans

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.

Trojan group

Overview

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.

Members

2 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

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.