Dysnomia
Moon
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Dysnomia is the only known moon of the dwarf planet Eris and is the second-largest known moon of a dwarf planet, after Pluto I Charon. It was discovered in September 2005 by Mike Brown and the Laser Guide Star Adaptive Optics team at the W. M.... Wikipedia
Orbital period: 16 days
Discovered: September 10, 2005
Mean diameter: 615+60; −50 km: 7
Discoverer: Michael E. Brown
Absolute magnitude (H): 5.6
Alternative names: S/2005 (2003 UB313) 1; Dy /ˈdaɪ/ (nickname); Gabrielle (nickname)
Apparent magnitude: 25.4
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