TOI-1249 b

A confirmed exoplanet orbiting TOI-1249.

Compared with Earth

Size
About 3.3 times Earth's width.
Mass
About 12 times Earth's mass.
Temperature
About 454 °C (849 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 13 Earth days.

Planet

Radius
3.271 × Earth
Mass
11.9 × Earth
Density
1.84 g/cm³
Equilibrium temperature
726.9 K
Starlight received
Unknown
Orbital period
13.08 days
Average distance from its star
0.109 AU

Star

Host star
TOI-1249
Spectral class
G — sun-like
Surface temperature
5,497 K
Radius
0.9785 × Sun
Mass
1.006 × Sun
Age
4 billion years

System

Distance from Earth
455 light-years (139.5 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2024
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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