K2-233 b
A confirmed exoplanet orbiting K2-233.
Compared with Earth
- Size
- About 1.3 times Earth's width.
- Mass
- About 2.4 times Earth's mass.
- Temperature
- About 854 °C (1,569 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 269 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.5 Earth days.
Planet
- Radius
- 1.315 × Earth
- Mass
- 2.4 × Earth
- Density
- 5.7 g/cm³
- Equilibrium temperature
- 1,127 K
- Starlight received
- 269 × Earth
- Orbital period
- 2.468 days
- Average distance from its star
- 0.03293 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.