Size comparison: Haumea vs Makemake

Size comparison between the dwarf planet Haumea and Makemake.

Haumea is a dwarf planet that lies beyond the orbit of Neptune. It is shaped like a rugby ball. Two natural satellites revolve around Hauméa: Hi'iaka and Namaka. It was discovered in 2004.

The Trans-Neptunian dwarf planet Makemake is one of the Kuiper Belt Objects. It was discovered in 2005. It is the third largest dwarf planet, after Pluto and Eris.

Object	Haumea	Makemake
Type	Dwarf planet	Dwarf planet
Age	4.5 billion years	4.5 billion years
Diameter	2,100 km	1,430 km
Mean radius	816 km	715 km
Mass	4 × 1021 kg	3.1 × 1021 kg
Orbital period	284 years	306 years
Rotation duration	4 hours	22.5 hours
Surface temperature (average)	50 K -223 °C -369 °F	36 K -237 °C -395 °F
Surface gravity	0.44 m/s²	0.57 m/s²
Mean density	2.6 g/cm3	1.7 g/cm3
Orbital distance	6.4 billion km	6.7 billion km
Circumference	5,127 km	4,492 km
Surface area	9.1 million km²	6.4 million km²
Volume	2.2 × 109 km3	1.5 × 109 km3
Escape velocity	0.84 km/s	0.91 km/s
Average orbital speed	4.53 km/s	4.41 km/s
Semi major axis	6.4 billion km	6.7 billion km
Inclination	28.2°	28.9°
Satellites	2 natural satellites 0 quasi-satellite 0 artificial satellite	1 natural satellite 0 quasi-satellite 0 artificial satellite
Crust composition	water 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.