K2-174 b

A confirmed exoplanet orbiting K2-174.

Compared with Earth

Size
About 2.6 times Earth's width.
Temperature
About 182 °C (359 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 20 Earth days.

Planet

Radius
2.6 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
455 K
Starlight received
Unknown
Orbital period
19.56 days
Average distance from its star
0.126 AU

Star

Host star
K2-174
Spectral class
K — orange dwarf
Surface temperature
4,455 K
Radius
0.676 × Sun
Mass
0.7 × Sun
Age
Unknown

System

Distance from Earth
325.9 light-years (99.93 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
K2

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