TOI-1273 b

A confirmed exoplanet orbiting TOI-1273.

Compared with Earth

Size
About 11 times Earth's width.
Mass
About 71 times Earth's mass.
Temperature
About 938 °C (1,720 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 4.6 Earth days.

Planet

Radius
11.1 × Earth
Mass
70.56 × Earth
Density
0.28 g/cm³
Equilibrium temperature
1,211 K
Starlight received
Unknown
Orbital period
4.631 days
Average distance from its star
0.0549 AU

Star

Host star
TOI-1273
Spectral class
G — sun-like
Surface temperature
5,690 K
Radius
1.06 × Sun
Mass
1.06 × Sun
Age
3.1 billion years

System

Distance from Earth
577.7 light-years (177.1 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.