Kepler-1009 b

A confirmed exoplanet orbiting Kepler-1009.

Compared with Earth

Size
About 2.2 times Earth's width.
Year
A year here lasts about 11 Earth days.

Planet

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

Star

Host star
Kepler-1009
Spectral class
K — orange dwarf
Surface temperature
4,027 K
Radius
0.57 × Sun
Mass
0.59 × Sun
Age
3.16 billion years

System

Distance from Earth
1,158 light-years (355 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.