WASP-147 b

A confirmed exoplanet orbiting WASP-147.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 87 times Earth's mass.
Temperature
About 1,131 °C (2,068 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 4.6 Earth days.

Planet

Radius
12.5 × Earth
Mass
87.4 × Earth
Density
0.263 g/cm³
Equilibrium temperature
1,404 K
Starlight received
Unknown
Orbital period
4.603 days
Average distance from its star
0.0549 AU

Star

Host star
WASP-147
Spectral class
G — sun-like
Surface temperature
5,702 K
Radius
1.429 × Sun
Mass
1.044 × Sun
Age
8.47 billion years

System

Distance from Earth
1,422 light-years (436.1 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.