K2-19 d
A confirmed exoplanet orbiting K2-19.
Compared with Earth
- Size
- Almost exactly Earth's width.
- Mass
- About 6.2 times Earth's mass.
- Temperature
- About 985 °C (1,805 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 2.5 Earth days.
Planet
- Radius
- 1.044 × Earth
- Mass
- 6.2 × Earth
- Density
- 31 g/cm³
- Equilibrium temperature
- 1,258 K
- Starlight received
- Unknown
- Orbital period
- 2.508 days
- Average distance from its star
- 0.03478 AU
Star
- Host star
- K2-19
- Spectral class
- G — sun-like
- Surface temperature
- 5,350 K
- Radius
- 0.824 × Sun
- Mass
- 0.892 × Sun
- Age
- 1.7 billion years
System
- Distance from Earth
- 945.3 light-years (289.8 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.