K2-45 b

A confirmed exoplanet orbiting K2-45.

Compared with Earth

Size
About 6.7 times Earth's width.
Starlight
About 100 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.7 Earth days.

Planet

Radius
6.71 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
100 × Earth
Orbital period
1.729 days
Average distance from its star
0.0224 AU

Star

Host star
K2-45
Spectral class
K — orange dwarf
Surface temperature
4,103 K
Radius
0.445 × Sun
Mass
0.503 × Sun
Age
Unknown

System

Distance from Earth
1,616 light-years (495.3 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
K2

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