K2-240 b
A confirmed exoplanet orbiting K2-240.
Compared with Earth
- Size
- About 2 times Earth's width.
- Temperature
- About 313 °C (595 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 6 Earth days.
Planet
- Radius
- 2 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 586 K
- Starlight received
- Unknown
- Orbital period
- 6.034 days
- Average distance from its star
- 0.0513 AU
Star
- Host star
- K2-240
- Spectral class
- M — red dwarf
- Surface temperature
- 3,810 K
- Radius
- 0.54 × Sun
- Mass
- 0.58 × Sun
- Age
- Unknown
System
- Distance from Earth
- 237.8 light-years (72.91 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.