TOI-237 b

A confirmed exoplanet orbiting TOI-237.

Compared with Earth

Size
About 1.4 times Earth's width.
Temperature
About 115 °C (239 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 3.7 times the starlight Earth gets from the Sun.
Year
A year here lasts about 5.4 Earth days.

Planet

Radius
1.44 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
388 K
Starlight received
3.7 × Earth
Orbital period
5.436 days
Average distance from its star
0.0341 AU

Star

Host star
TOI-237
Spectral class
M — red dwarf
Surface temperature
3,212 K
Radius
0.211 × Sun
Mass
0.179 × Sun
Age
4.5 billion years

System

Distance from Earth
124.2 light-years (38.07 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2020
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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