K2-249 b
A confirmed exoplanet orbiting K2-249.
Compared with Earth
- Size
- About 2.8 times Earth's width.
- Temperature
- About 788 °C (1,450 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 12 Earth days.
Planet
- Radius
- 2.79 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 1,061 K
- Starlight received
- Unknown
- Orbital period
- 12.41 days
- Average distance from its star
- 0.1151 AU
Star
- Host star
- K2-249
- Spectral class
- F — yellow-white
- Surface temperature
- 6,504 K
- Radius
- 1.57 × Sun
- Mass
- 1.32 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,702 light-years (521.7 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.