TOI-756 b

A confirmed exoplanet orbiting TOI-756.

Compared with Earth

Size
About 2.8 times Earth's width.
Mass
About 9.8 times Earth's mass.
Temperature
About 661 °C (1,222 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 127 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.2 Earth days.

Planet

Radius
2.81 × Earth
Mass
9.83 × Earth
Density
2.42 g/cm³
Equilibrium temperature
934 K
Starlight received
127 × Earth
Orbital period
1.239 days
Average distance from its star
0.018 AU

Star

Host star
TOI-756
Spectral class
M — red dwarf
Surface temperature
3,657 K
Radius
0.505 × Sun
Mass
0.505 × Sun
Age
3.2 billion years

System

Distance from Earth
281.1 light-years (86.18 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2025
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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