The KELT-19 A system contains 1 exoplanet. It is located 979.37 light years away from the solar system.
| Mass | 1.62 solar masses |
| Radius | 1.83 solar radiae |
| Temperature | 7500 kelvin |
| Stellar Metallicity | -0.12 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, KELT-19 A b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1293.568 Earth masses |
| Density | 0.744 grams per cubic centimeter |
| Radius | 21.409 Earth radiae |
| Semi-major Axis | 0.0637 AU |
| Eccentricity | NaN |
| Orbital Period | 4.612 days |
| Discovery Method | Transit |
| Discovery Facility | KELT |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2018-01 |
| Reference | Siverd et al. 2018 |