K2-290 b
A confirmed exoplanet orbiting K2-290.
Compared with Earth
- Size
- About 3.1 times Earth's width.
- Mass
- About 11 times Earth's mass.
- Temperature
- About 957 °C (1,754 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 9.2 Earth days.
Planet
- Radius
- 3.06 × Earth
- Mass
- 10.9 × Earth
- Density
- 4.1 g/cm³
- Equilibrium temperature
- 1,230 K
- Starlight received
- Unknown
- Orbital period
- 9.212 days
- Average distance from its star
- 0.0923 AU
Star
- Host star
- K2-290
- Spectral class
- F — yellow-white
- Surface temperature
- 6,302 K
- Radius
- 1.511 × Sun
- Mass
- 1.194 × Sun
- Age
- 4 billion years
System
- Distance from Earth
- 890.1 light-years (272.9 parsecs)
- Stars in system
- 3
- Known planets
- 2
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.