The KELT-23 A system contains 1 exoplanet. It is located 411.81 light years away from the solar system.
| Mass | 0.94 solar masses |
| Radius | 1 solar radiae |
| Temperature | 5899 kelvin |
| Stellar Metallicity | -0.105 decimal exponent |
| Age | 6.4 billion years |
At more than 50 Earth masses, KELT-23 A b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 298.125 Earth masses |
| Density | 0.503 grams per cubic centimeter |
| Radius | 14.830 Earth radiae |
| Semi-major Axis | 0.03302 AU |
| Eccentricity | 0 |
| Orbital Period | 2.255 days |
| Discovery Method | Transit |
| Discovery Facility | KELT-North |
| Discovery Telescope | Mamiya 645 80mm f/1.9 |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2019-08 |
| Reference | Johns et al. 2019 |