Kepler-1997 b

A confirmed exoplanet orbiting Kepler-1997.

Compared with Earth

Size
About 2.3 times Earth's width.
Temperature
About 387 °C (728 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 45 times the starlight Earth gets from the Sun.
Year
A year here lasts about 27 Earth days.

Planet

Radius
2.28 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
660 K
Starlight received
44.86 × Earth
Orbital period
26.76 days
Average distance from its star
0.1815 AU

Star

Host star
Kepler-1997
Spectral class
F — yellow-white
Surface temperature
6,215 K
Radius
1.052 × Sun
Mass
1.111 × Sun
Age
Unknown

System

Distance from Earth
4,900 light-years (1,502 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.