Size comparison: Eris vs Makemake

Size comparison between the dwarf planet Eris and Makemake.

Eris is the most massive dwarf planet in the solar system. It is a trans-Neptunian object. It is also the furthest planet from the Sun as far as we know. It has indeed an aphelion which is twice that of Pluto.

There are currently no clear images of the planet Eris, only 3D models made by NASA or the European Southern Observatory.

Object	Eris	Makemake
Type	Dwarf planet	Dwarf planet
Age	4.5 billion years	4.5 billion years
Diameter	2,326 km	1,430 km
Mean radius	1,163 km	715 km
Mass	1.6 × 1022 kg	3.1 × 1021 kg
Orbital period	558 years	306 years
Rotation duration	15.8 days	22.5 hours
Surface temperature (average)	42 K -231 °C -384 °F	36 K -237 °C -395 °F
Surface gravity	0.82 m/s²	0.57 m/s²
Mean density	2.43 g/cm3	1.7 g/cm3
Orbital distance	6.7 billion km	6.7 billion km
Circumference	14,614 km	4,492 km
Surface area	67.9 million km²	6.4 million km²
Volume	52.7 × 109 km3	1.5 × 109 km3
Escape velocity	1.38 km/s	0.91 km/s
Average orbital speed	3.43 km/s	4.41 km/s
Semi major axis	10.6 billion km	6.7 billion km
Inclination	44.04°	28.9°
Satellites	1 natural satellite 0 quasi-satellite 0 artificial satellite	1 natural satellite 0 quasi-satellite 0 artificial satellite
Crust composition	methane ice, silicate	methane ice, nitrogen ice, silicate
Distance from the Milky Way center	27,200 light years	27,200 light years

Note: if one of the objects is not visible, it just means that it is too tiny to be displayed compared to the other one.