K2-31 b
A confirmed exoplanet orbiting K2-31.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 564 times Earth's mass.
- Year
- A year here lasts about 1.3 Earth days.
Planet
- Radius
- 11.88 × Earth
- Mass
- 563.8 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1.258 days
- Average distance from its star
- 0.022 AU
Star
- Host star
- K2-31
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,280 K
- Radius
- 0.78 × Sun
- Mass
- 0.91 × Sun
- Age
- Unknown
System
- Distance from Earth
- 360.5 light-years (110.5 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.