K2-108 b
A confirmed exoplanet orbiting K2-108.
Compared with Earth
- Size
- About 5.3 times Earth's width.
- Temperature
- About 1,087 °C (1,988 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.7 Earth days.
Planet
- Radius
- 5.33 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 1,360 K
- Starlight received
- Unknown
- Orbital period
- 4.734 days
- Average distance from its star
- 0.0581 AU
Star
- Host star
- K2-108
- Spectral class
- G — sun-like
- Surface temperature
- 5,599 K
- Radius
- 1.76 × Sun
- Mass
- 1.17 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,557 light-years (477.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.