TOI-2109 b

A confirmed exoplanet orbiting TOI-2109.

Compared with Earth

Size
About 15 times Earth's width.
Mass
About 1,595 times Earth's mass.
Temperature
About 3,373 °C (6,103 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 16 hours.

Planet

Radius
15.1 × Earth
Mass
1,595 × Earth
Density
Unknown
Equilibrium temperature
3,646 K
Starlight received
Unknown
Orbital period
0.6725 days
Average distance from its star
0.01791 AU

Star

Host star
TOI-2109
Spectral class
F — yellow-white
Surface temperature
6,540 K
Radius
1.698 × Sun
Mass
1.453 × Sun
Age
1.77 billion years

System

Distance from Earth
854.7 light-years (262 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2021
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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