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Eris (Dwarf Planet)
 
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 Image: Eris and moon Dysomnia Credit: NASA, ESA, and M. Brown (California Institute of Technology)

 Symbol

 n/a

 Mean distance from The Sun

67.5 AU

 Sidereal Period

560 years 

 Rotation Period

1.08 ± 0.02 days

 Mass

0.002794 Earth

 Diameter

2400 km
 
 
 
Other designations (current and former)
 
Eris is also known by the designation of 2003 UB313. Formal designations for Eris were 136199 Eris and Xena. 
 
 
Satellites of Eris
 
Eris has one know natural satellite and that is a small moon called Dysomnia.
 

 

References

 

 - Eris 27% more massive than Pluto - http://web.gps.caltech.edu/~mbrown/planetlila/

 - Astronomy Today, Eris The Largest Dwarf Planet - http://www.astronomytoday.com/astronomy/eris.html

 - Johnston Archive, Eris and Dysomnia - http://www.johnstonsarchive.net/astro/astmoons/am-136199.html

 

 

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This page was last modified on Monday, May 03, 2010 02:25:34 PM