KELT-23 A b
A confirmed exoplanet orbiting KELT-23 A.
Compared with Earth
- Size
- About 15 times Earth's width.
- Mass
- About 298 times Earth's mass.
- Temperature
- About 1,288 °C (2,350 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 991 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.3 Earth days.
Planet
- Radius
- 14.83 × Earth
- Mass
- 298.1 × Earth
- Density
- 0.503 g/cm³
- Equilibrium temperature
- 1,561 K
- Starlight received
- 991.2 × Earth
- Orbital period
- 2.255 days
- Average distance from its star
- 0.03302 AU
Star
- Host star
- KELT-23 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,899 K
- Radius
- 0.996 × Sun
- Mass
- 0.944 × Sun
- Age
- 6.4 billion years
System
- Distance from Earth
- 411.8 light-years (126.3 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- KELT-North
Data from the NASA Exoplanet Archive, synced October 14, 2026.