K2-193 b

A confirmed exoplanet orbiting K2-193.

Compared with Earth

Size
About 4 times Earth's width.
Temperature
About 466 °C (871 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 15 Earth days.

Planet

Radius
3.95 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
739 K
Starlight received
Unknown
Orbital period
14.79 days
Average distance from its star
0.1184 AU

Star

Host star
K2-193
Spectral class
G — sun-like
Surface temperature
5,817 K
Radius
0.98 × Sun
Mass
1.01 × Sun
Age
Unknown

System

Distance from Earth
1,344 light-years (411.9 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.