TOI-1801 b

A confirmed exoplanet orbiting TOI-1801.

Compared with Earth

Size
About 2.1 times Earth's width.
Mass
About 5.7 times Earth's mass.
Temperature
About 221 °C (429 °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
2.079 × Earth
Mass
5.738 × Earth
Density
3.701 g/cm³
Equilibrium temperature
493.7 K
Starlight received
Unknown
Orbital period
10.64 days
Average distance from its star
Unknown

Star

Host star
TOI-1801
Spectral class
M — red dwarf
Surface temperature
3,863 K
Radius
0.547 × Sun
Mass
0.556 × Sun
Age
0.7 billion years

System

Distance from Earth
100.1 light-years (30.68 parsecs)
Stars in system
2
Known planets
1

Discovery

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

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