K2-357 b
A confirmed exoplanet orbiting K2-357.
Compared with Earth
- Size
- About 3.7 times Earth's width.
- Temperature
- About 462 °C (863 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 16 Earth days.
Planet
- Radius
- 3.72 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 735 K
- Starlight received
- Unknown
- Orbital period
- 16.35 days
- Average distance from its star
- 0.145 AU
Star
- Host star
- K2-357
- Spectral class
- G — sun-like
- Surface temperature
- 5,794 K
- Radius
- 1 × Sun
- Mass
- 0.98 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,688 light-years (517.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.