WASP-161 b

A confirmed exoplanet orbiting WASP-161.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 791 times Earth's mass.
Temperature
About 1,284 °C (2,343 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 990 times the starlight Earth gets from the Sun.
Year
A year here lasts about 5.4 Earth days.

Planet

Radius
12.81 × Earth
Mass
791.4 × Earth
Density
2.2 g/cm³
Equilibrium temperature
1,557 K
Starlight received
990 × Earth
Orbital period
5.406 days
Average distance from its star
0.0673 AU

Star

Host star
WASP-161
Spectral class
F — yellow-white
Surface temperature
6,400 K
Radius
1.712 × Sun
Mass
1.39 × Sun
Age
Unknown

System

Distance from Earth
1,119 light-years (343.1 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.