The KELT-2 A system contains 1 exoplanet. It is located 437.24 light years away from the solar system.
| Mass | 1.54 solar masses |
| Radius | 1.93 solar radiae |
| Temperature | 6327 kelvin |
| Stellar Metallicity | 0 decimal exponent |
| Age | 3.97 billion years |
At more than 50 Earth masses, KELT-2 A b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 540.311 Earth masses |
| Density | 0.910 grams per cubic centimeter |
| Radius | 15.132 Earth radiae |
| Semi-major Axis | 0.05497 AU |
| Eccentricity | 0 |
| Orbital Period | 4.114 days |
| Discovery Method | Transit |
| Discovery Facility | KELT |
| Discovery Telescope | Mamiya 645 80mm f/1.9 |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2012-09 |
| Reference | Beatty et al. 2012 |