K2-4 b
A confirmed exoplanet orbiting K2-4.
Compared with Earth
- Size
- About 2.1 times Earth's width.
- Starlight
- About 16 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 10 Earth days.
Planet
- Radius
- 2.1 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- 15.6 × Earth
- Orbital period
- 10 days
- Average distance from its star
- 0.078 AU
Star
- Host star
- K2-4
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,015 K
- Radius
- 0.5694 × Sun
- Mass
- 0.635 × Sun
- Age
- Unknown
System
- Distance from Earth
- 756.1 light-years (231.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.