K2-247 c

A confirmed exoplanet orbiting K2-247.

Compared with Earth

Size
About 2.2 times Earth's width.
Temperature
About 415 °C (779 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 6.5 Earth days.

Planet

Radius
2.19 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
688 K
Starlight received
Unknown
Orbital period
6.494 days
Average distance from its star
0.0615 AU

Star

Host star
K2-247
Spectral class
K — orange dwarf
Surface temperature
4,667 K
Radius
0.69 × Sun
Mass
0.74 × Sun
Age
Unknown

System

Distance from Earth
841.9 light-years (258.1 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2018
Method
Transit
Facility
K2

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