KOI-217 b

A confirmed exoplanet orbiting KOI-217.

Compared with Earth

Size
About 12 times Earth's width.
Year
A year here lasts about 3.9 Earth days.

Planet

Radius
12.44 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
3.905 days
Average distance from its star
0.0477 AU

Star

Host star
KOI-217
Spectral class
G — sun-like
Surface temperature
5,545 K
Radius
0.86 × Sun
Mass
0.95 × Sun
Age
Unknown

System

Distance from Earth
2,983 light-years (914.7 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2010
Method
Transit
Facility
Kepler

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