Dwarf planet
Eris
Eris is a dwarf planet beyond Neptune.
It is 27% more massive than Pluto, though slightly smaller. Finding it in 2005 is what pushed astronomers to define the word planet, in 2006.
See it live
Where it is right now is on the live 3D map.
Key facts
- Catalogue
- 136199 Eris
- Diameter
- 2 326 km
- One lap of the Sun
- 560 years
- Closest to the Sun
- 38.16 au
- Farthest from the Sun
- 97.7 au
- Moons
- Dysnomia
How the map draws it
Drawn as a plain round body of its measured size — the kind of thing, not this exact one.