K2-233 d

A confirmed exoplanet orbiting K2-233.

Compared with Earth

Size
About 2.4 times Earth's width.
Mass
About 10 times Earth's mass.
Temperature
About 252 °C (485 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 13 times the starlight Earth gets from the Sun.
Year
A year here lasts about 24 Earth days.

Planet

Radius
2.363 × Earth
Mass
10.3 × Earth
Density
4.3 g/cm³
Equilibrium temperature
525 K
Starlight received
12.7 × Earth
Orbital period
24.37 days
Average distance from its star
0.1516 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.