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AsteriaStar
Asteroid family

Koronis family

A family of stony asteroids in the outer main belt, one of whose members, 243 Ida, was imaged by the Galileo spacecraft.

Asteroid familyTaxonomy: S-typeParent body: ida

Overview

A family of stony asteroids in the outer main belt, one of whose members, 243 Ida, was imaged by the Galileo spacecraft.

Members

1 modelled member.

  • A Koronis-family main-belt asteroid imaged by the Galileo spacecraft in 1993, which revealed its tiny moon Dactyl — the first confirmed asteroid moon.

    CategoryMain beltTypeSilicaceous (S)Diameter≈ 60 × 25 × 19 kmDiscovered1884

Knowledge connections

  • Family includesIda

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.