TOI-4791 b

A confirmed exoplanet orbiting TOI-4791.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 734 times Earth's mass.
Temperature
About 1,199 °C (2,190 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 783 times the starlight Earth gets from the Sun.
Year
A year here lasts about 4.3 Earth days.

Planet

Radius
12.44 × Earth
Mass
734.2 × Earth
Density
2.09 g/cm³
Equilibrium temperature
1,472 K
Starlight received
783.2 × Earth
Orbital period
4.281 days
Average distance from its star
0.0555 AU

Star

Host star
TOI-4791
Spectral class
F — yellow-white
Surface temperature
6,058 K
Radius
1.409 × Sun
Mass
1.242 × Sun
Age
3.3 billion years

System

Distance from Earth
1,072 light-years (328.8 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.