Kepler-1277 b

A confirmed exoplanet orbiting Kepler-1277.

Compared with Earth

Size
About 1.6 times Earth's width.
Year
A year here lasts about 41 Earth days.

Planet

Radius
1.6 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
40.84 days
Average distance from its star
Unknown

Star

Host star
Kepler-1277
Spectral class
G — sun-like
Surface temperature
5,578 K
Radius
0.92 × Sun
Mass
0.94 × Sun
Age
5.01 billion years

System

Distance from Earth
1,817 light-years (557.2 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
Kepler

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