TOI-1298 b

A confirmed exoplanet orbiting TOI-1298.

Compared with Earth

Size
About 9.7 times Earth's width.
Mass
About 99 times Earth's mass.
Temperature
About 1,005 °C (1,841 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 4.5 Earth days.

Planet

Radius
9.658 × Earth
Mass
99 × Earth
Density
0.6 g/cm³
Equilibrium temperature
1,278 K
Starlight received
Unknown
Orbital period
4.537 days
Average distance from its star
0.057 AU

Star

Host star
TOI-1298
Spectral class
G — sun-like
Surface temperature
5,752 K
Radius
1.454 × Sun
Mass
1.219 × Sun
Age
4.3 billion years

System

Distance from Earth
1,041 light-years (319 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.