Kepler-1981 b

A confirmed exoplanet orbiting Kepler-1981.

Compared with Earth

Size
About 9.2 times Earth's width.
Temperature
About 117 °C (242 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 5.5 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.2 Earth years.

Planet

Radius
9.23 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
390 K
Starlight received
5.45 × Earth
Orbital period
453.5 days
Average distance from its star
1.329 AU

Star

Host star
Kepler-1981
Spectral class
G — sun-like
Surface temperature
5,874 K
Radius
3.006 × Sun
Mass
1.519 × Sun
Age
Unknown

System

Distance from Earth
2,151 light-years (659.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2023
Method
Transit
Facility
Kepler

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