K2-5 b
A confirmed exoplanet orbiting K2-5.
Compared with Earth
- Size
- About 1.9 times Earth's width.
- Temperature
- About 292 °C (557 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 24 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 5.7 Earth days.
Planet
- Radius
- 1.91 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 565 K
- Starlight received
- 24.1 × Earth
- Orbital period
- 5.736 days
- Average distance from its star
- 0.0532 AU
Star
- Host star
- K2-5
- Spectral class
- K — orange dwarf
- Surface temperature
- 3,930 K
- Radius
- 0.57 × Sun
- Mass
- 0.61 × Sun
- Age
- Unknown
System
- Distance from Earth
- 661.9 light-years (202.9 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.