TOI-238 b

A confirmed exoplanet orbiting TOI-238.

Compared with Earth

Size
About 1.6 times Earth's width.
Mass
About 3.4 times Earth's mass.
Temperature
About 1,105 °C (2,021 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 753 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.3 Earth days.

Planet

Radius
1.559 × Earth
Mass
3.37 × Earth
Density
Unknown
Equilibrium temperature
1,378 K
Starlight received
753.1 × Earth
Orbital period
1.273 days
Average distance from its star
0.0212 AU

Star

Host star
TOI-238
Spectral class
K — orange dwarf
Surface temperature
5,059 K
Radius
0.756 × Sun
Mass
0.781 × Sun
Age
7.9 billion years

System

Distance from Earth
262.7 light-years (80.54 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2024
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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