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Eris
Introduction - Orbit data - Object data - Mythology - Satellites - Links Go to the bottom of the page
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Photo of the dwarf planet Eris
136199 Eris (2003 UB313)

Hide this area Introduction

After the discovery the new object got the provisional designation 2003 UB313. The informal name Xena used by the discovery team was inspired by the characters of the television series Xena, the orbiting satellite got called Gabrielle.

Hide this area Orbit data
Mean distance from the star Sun 10.127.028.000 km
67,695 AU
Minimum distance from the star Sun (perihelion) 5.661.531.000 km
Maximum distance from the star Sun (aphelion) 14.592.524.000 km
Orbital period around the star Sun (sideric) 556,97 y
Mean orbital velocity 3,620 km/s
Orbital inclination 44,179 °
Eccentricity of the orbit around the star Sun 0,4418
Hide this area Object data
Discovered by Michael E. Brown, Chadwick A. Trujillo, David Lincoln Rabinowitz 2003
Mass 1,5 × 1022 kg
Equatorial radius 1200 km
Mean surface temperature 30 K
Albedo 0,85
Hide this area Mythology

Eris is the Greek goddess of discord and strife. She is Ares' constant companion and follows him everywhere. Eris is sinister and mean, and her greatest joy is to make trouble. She has a golden apple that is so bright and shiny everybody wants to have it. When she throws it among friends, their friendship come to a rapid end. When she throws it among enemies, war breaks out, for the golden apple of Eris is the Apple of Discord.

Hide this area Satellites
No.  Name Distance Eccentricity Radius Mass
1 Dysnomia Dysnomia 30000 30.000 km 0.0 0,0 150 150 - 200 km
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© William A. Arnett
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