WASP-159 b

A confirmed exoplanet orbiting WASP-159.

Compared with Earth

Size
About 15 times Earth's width.
Mass
About 175 times Earth's mass.
Temperature
About 1,577 °C (2,870 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 3.8 Earth days.

Planet

Radius
15.47 × Earth
Mass
174.8 × Earth
Density
0.28 g/cm³
Equilibrium temperature
1,850 K
Starlight received
Unknown
Orbital period
3.84 days
Average distance from its star
0.0538 AU

Star

Host star
WASP-159
Spectral class
F — yellow-white
Surface temperature
6,120 K
Radius
2.11 × Sun
Mass
1.41 × Sun
Age
3.4 billion years

System

Distance from Earth
2,333 light-years (715.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
SuperWASP-South

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