Dwarf planet · Dwarf planet (scattered disc)
Eris
(136199) Eris
- Type
- Dwarf planet (scattered disc)
- Diameter
- 2,326 km
- Moons
- 1
NASA/JPL/Caltech · NASA media (public domain)
Overview
Scientific overview
Eris is a dwarf planet (scattered disc) in orbit around The Sun.
Physical characteristics
- Diameter
- 2,326 km
Scale
Compared to Earth
Earth
Eris
Eris is 5.5× smaller than Earth
2,326 km across · Earth is 12,742 km
Observation
How this was captured
- Source
- NASA
- Observation date
- 2005-08-03
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.
- IAUInternational Astronomical Union
Official naming, definitions, constellation boundaries, and astronomical nomenclature.