Asteroid · S-type asteroid (Koronis family)
Ida
(243) Ida
- Type
- S-type asteroid (Koronis family)
NASA/JPL · NASA media (public domain)
Overview
Scientific overview
Ida is a s-type asteroid (koronis family) in orbit around The Sun.
Gallery
Asteroid Ida and its Satellite Dactyl in Enhanced Color
During its examination of the asteroid Ida, NASA Galileo spacecraft returned images of a second object, Dactyl--the first confirmed satellite or moon of an asteroid; the much smaller moon is visible to the right of Ida.
1998
NASA/JPL/USGS · NASA media (public domain)
Observation
How this was captured
- Source
- NASA
- Observation date
- 1996-02-01
Exploration
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.