Eris and Pluto Compared

Dwarf planet:
Mythology
Diameter
Mass
Moons
Perihelion distance
Aphelion distance
Orbital eccentricity
Orbital inclination
Orbital period
Pluto
Underworld
1,477 miles
1.303 × 1022 kg
5
29.66 AU
49.31 AU
0.25
17.16°
248 years
Eris
Strife
1,445 miles
1.66 × 1022 kg
1
37.91 AU
97.65 AU
0.44
44.04°
558 years

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