The KELT-18 system contains 1 exoplanet. It is located 1048.19 light years away from the solar system.
| Mass | 1.52 solar masses |
| Radius | 1.91 solar radiae |
| Temperature | 6670 kelvin |
| Stellar Metallicity | 0.09 decimal exponent |
| Age | 1.9 billion years |
At more than 50 Earth masses, KELT-18 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 375.039 Earth masses |
| Density | 0.377 grams per cubic centimeter |
| Radius | 17.598 Earth radiae |
| Semi-major Axis | 0.0455 AU |
| Eccentricity | 0 |
| Orbital Period | 2.872 days |
| Discovery Method | Transit |
| Discovery Facility | KELT-North |
| Discovery Telescope | Mamiya 645 80mm f/1.9 |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2017-06 |
| Reference | McLeod et al. 2017 |