K2-233 c

A confirmed exoplanet orbiting K2-233.

Compared with Earth

Size
About 1.3 times Earth's width.
Mass
About 4.6 times Earth's mass.
Temperature
About 521 °C (970 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 66 times the starlight Earth gets from the Sun.
Year
A year here lasts about 7.1 Earth days.

Planet

Radius
1.272 × Earth
Mass
4.6 × Earth
Density
12.4 g/cm³
Equilibrium temperature
794 K
Starlight received
66.2 × Earth
Orbital period
7.06 days
Average distance from its star
0.0664 AU

Star

Host star
K2-233
Spectral class
K — orange dwarf
Surface temperature
4,796 K
Radius
0.71 × Sun
Mass
0.79 × Sun
Age
0.36 billion years

System

Distance from Earth
220.2 light-years (67.51 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2018
Method
Transit
Facility
K2

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