TOI-4308 b

A confirmed exoplanet orbiting TOI-4308.

Compared with Earth

Size
About 2.4 times Earth's width.
Temperature
About 490 °C (914 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 9.2 Earth days.

Planet

Radius
2.419 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
763.1 K
Starlight received
Unknown
Orbital period
9.151 days
Average distance from its star
Unknown

Star

Host star
TOI-4308
Spectral class
K — orange dwarf
Surface temperature
5,243 K
Radius
0.7934 × Sun
Mass
0.9 × Sun
Age
Unknown

System

Distance from Earth
355.3 light-years (108.9 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2023
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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