K2-30 b
A confirmed exoplanet orbiting K2-30.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 184 times Earth's mass.
- Temperature
- About 819 °C (1,506 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.1 Earth days.
Planet
- Radius
- 11.65 × Earth
- Mass
- 184 × Earth
- Density
- 0.64 g/cm³
- Equilibrium temperature
- 1,092 K
- Starlight received
- Unknown
- Orbital period
- 4.099 days
- Average distance from its star
- 0.04839 AU
Star
- Host star
- K2-30
- Spectral class
- G — sun-like
- Surface temperature
- 5,425 K
- Radius
- 0.844 × Sun
- Mass
- 0.9 × Sun
- Age
- 3.9 billion years
System
- Distance from Earth
- 1,086 light-years (333 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.