WASP-188 b

A confirmed exoplanet orbiting WASP-188.

Compared with Earth

Size
About 15 times Earth's width.
Mass
About 459 times Earth's mass.
Temperature
About 1,393 °C (2,539 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 1,278 times the starlight Earth gets from the Sun.
Year
A year here lasts about 5.7 Earth days.

Planet

Radius
14.82 × Earth
Mass
458.6 × Earth
Density
0.78 g/cm³
Equilibrium temperature
1,666 K
Starlight received
1,278 × Earth
Orbital period
5.749 days
Average distance from its star
0.072 AU

Star

Host star
WASP-188
Spectral class
F — yellow-white
Surface temperature
6,850 K
Radius
1.83 × Sun
Mass
1.5 × Sun
Age
Unknown

System

Distance from Earth
2,202 light-years (675.3 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2025
Method
Transit
Facility
SuperWASP

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