The KELT-3 system contains 1 exoplanet. It is located 685.75 light years away from the solar system.
| Mass | 1.96 solar masses |
| Radius | 1.7 solar radiae |
| Temperature | 6304 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 3 billion years |
At more than 50 Earth masses, KELT-3 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 616.590 Earth masses |
| Density | 0.750 grams per cubic centimeter |
| Radius | 17.486 Earth radiae |
| Semi-major Axis | 0.04123 AU |
| Eccentricity | 0 |
| Orbital Period | 2.703 days |
| Discovery Method | Transit |
| Discovery Facility | KELT |
| Discovery Telescope | Mamiya 645 80mm f/1.9 |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2013-08 |
| Reference | Pepper et al. 2013 |