K2-216 b
A confirmed exoplanet orbiting K2-216.
Compared with Earth
- Size
- About 1.8 times Earth's width.
- Mass
- About 8 times Earth's mass.
- Temperature
- About 830 °C (1,526 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 248 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.2 Earth days.
Planet
- Radius
- 1.75 × Earth
- Mass
- 8 × Earth
- Density
- 8.2 g/cm³
- Equilibrium temperature
- 1,103 K
- Starlight received
- 248 × Earth
- Orbital period
- 2.175 days
- Average distance from its star
- 0.028 AU
Star
- Host star
- K2-216
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,503 K
- Radius
- 0.72 × Sun
- Mass
- 0.7 × Sun
- Age
- Unknown
System
- Distance from Earth
- 376.6 light-years (115.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.