TOI-904 b

A confirmed exoplanet orbiting TOI-904.

Compared with Earth

Size
About 2.4 times Earth's width.
Temperature
About 156 °C (313 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 11 Earth days.

Planet

Radius
2.426 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
429.4 K
Starlight received
Unknown
Orbital period
10.88 days
Average distance from its star
0.056 AU

Star

Host star
TOI-904
Spectral class
M — red dwarf
Surface temperature
3,770 K
Radius
0.527 × Sun
Mass
0.557 × Sun
Age
1.5 billion years

System

Distance from Earth
150.3 light-years (46.09 parsecs)
Stars in system
1
Known planets
2

Discovery

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

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