WASP-57 b

A confirmed exoplanet orbiting WASP-57.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 205 times Earth's mass.
Temperature
About 1,065 °C (1,949 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.8 Earth days.

Planet

Radius
11.77 × Earth
Mass
204.7 × Earth
Density
0.693 g/cm³
Equilibrium temperature
1,338 K
Starlight received
Unknown
Orbital period
2.839 days
Average distance from its star
0.03769 AU

Star

Host star
WASP-57
Spectral class
G — sun-like
Surface temperature
5,600 K
Radius
0.927 × Sun
Mass
0.886 × Sun
Age
Unknown

System

Distance from Earth
1,299 light-years (398.3 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2012
Method
Transit
Facility
SuperWASP

Data from the NASA Exoplanet Archive, synced October 14, 2026.