WASP-170 b

A confirmed exoplanet orbiting WASP-170.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 509 times Earth's mass.
Temperature
About 1,149 °C (2,100 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 680 times the starlight Earth gets from the Sun.
Year
A year here lasts about 2.3 Earth days.

Planet

Radius
12.29 × Earth
Mass
508.5 × Earth
Density
1.6 g/cm³
Equilibrium temperature
1,422 K
Starlight received
680 × Earth
Orbital period
2.345 days
Average distance from its star
0.0337 AU

Star

Host star
WASP-170
Spectral class
G — sun-like
Surface temperature
5,600 K
Radius
0.938 × Sun
Mass
0.93 × Sun
Age
Unknown

System

Distance from Earth
996.7 light-years (305.6 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.