K2-184 b

A confirmed exoplanet orbiting K2-184.

Compared with Earth

Size
About 1.5 times Earth's width.
Temperature
About 260 °C (500 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 17 Earth days.

Planet

Radius
1.47 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
533 K
Starlight received
Unknown
Orbital period
16.98 days
Average distance from its star
0.1685 AU

Star

Host star
K2-184
Spectral class
K — orange dwarf
Surface temperature
5,245 K
Radius
0.75 × Sun
Mass
0.84 × Sun
Age
Unknown

System

Distance from Earth
246.5 light-years (75.59 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.