WASP-154 b

A confirmed exoplanet orbiting WASP-154.

Compared with Earth

Size
About 11 times Earth's width.
Mass
About 199 times Earth's mass.
Temperature
About 721 °C (1,330 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 162 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.8 Earth days.

Planet

Radius
10.76 × Earth
Mass
199 × Earth
Density
0.88 g/cm³
Equilibrium temperature
994 K
Starlight received
162 × Earth
Orbital period
3.812 days
Average distance from its star
0.044 AU

Star

Host star
WASP-154
Spectral class
K — orange dwarf
Surface temperature
4,774 K
Radius
0.823 × Sun
Mass
0.8 × Sun
Age
Unknown

System

Distance from Earth
702.9 light-years (215.5 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.