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Orbital resonance

3:2 resonance with Jupiter

A mean-motion resonance in which a body completes three orbits for every two of Jupiter's, stabilising the Hilda group in the outer main belt.

Orbital resonanceResonance: 3:2

Overview

A mean-motion resonance in which a body completes three orbits for every two of Jupiter's, stabilising the Hilda group in the outer main belt.

Members

2 modelled members.

  • The namesake of the Hilda group, whose members orbit in a 3:2 mean-motion resonance with Jupiter in the outer main belt.

    CategoryMain beltTypeCarbonaceous (C)Diameter170 kmDiscovered1875
  • A group of outer-belt asteroids held in a 3:2 orbital resonance with Jupiter, tracing a distinctive triangular pattern over time.

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.