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.

588 Achilles
The first Jupiter Trojan discovered, leading Jupiter at the L4 Lagrange point in the 'Greek camp'.
CategoryTrojanDiameter130 kmDiscovered1906
617 Patroclus
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

Group includes588 Achilles
Group includes617 Patroclus
In orbital resonance1:1 resonance with Jupiter

Sources

Facts on this topic will be cited from these primary and reference sources.

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.

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