Dysnomia moon

Dysnomia is the single moon of dwarf planet Eris in the Kuiper Belt. Here is the best image of Dysnomia and Eris:

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Dysnomia facts

Designation:	Eris I
Apparent magnitude:	25.4
Mass:	1.43 x 1020 kg
Radius:	350 km
Density:	0.8 gm/cm3
Orbital period:	15.8 days
Orbital velocity:	0.17 km/sec
Eccentricity of orbit:	00.62
Inclination of orbit:	45.5 °
Albedo:	0.04

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