K2-237 b
A confirmed exoplanet orbiting K2-237.
Compared with Earth
- Size
- About 16 times Earth's width.
- Mass
- About 434 times Earth's mass.
- Temperature
- About 1,486 °C (2,707 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 2.2 Earth days.
Planet
- Radius
- 16.06 × Earth
- Mass
- 434.2 × Earth
- Density
- 0.577 g/cm³
- Equilibrium temperature
- 1,759 K
- Starlight received
- Unknown
- Orbital period
- 2.181 days
- Average distance from its star
- 0.03552 AU
Star
- Host star
- K2-237
- Spectral class
- F — yellow-white
- Surface temperature
- 6,180 K
- Radius
- 1.236 × Sun
- Mass
- 1.256 × Sun
- Age
- 1.09 billion years
System
- Distance from Earth
- 1,027 light-years (315 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.