KELT-19 A b
A confirmed exoplanet orbiting KELT-19 A.
Compared with Earth
- Size
- About 21 times Earth's width.
- Mass
- About 1,294 times Earth's mass.
- Temperature
- About 1,662 °C (3,023 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 2,340 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.6 Earth days.
Planet
- Radius
- 21.41 × Earth
- Mass
- 1,294 × Earth
- Density
- 0.744 g/cm³
- Equilibrium temperature
- 1,935 K
- Starlight received
- 2,340 × Earth
- Orbital period
- 4.612 days
- Average distance from its star
- 0.0637 AU
Star
- Host star
- KELT-19 A
- Spectral class
- A — white
- Surface temperature
- 7,500 K
- Radius
- 1.83 × Sun
- Mass
- 1.62 × Sun
- Age
- Unknown
System
- Distance from Earth
- 979.4 light-years (300.3 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- KELT
Data from the NASA Exoplanet Archive, synced October 14, 2026.