The HAT-P-54 system contains 1 exoplanet. It is located 468.53 light years away from the solar system.
| Mass | 0.65 solar masses |
| Radius | 0.62 solar radiae |
| Temperature | 4390 kelvin |
| Stellar Metallicity | -0.127 decimal exponent |
| Age | 3.9 billion years |
At more than 50 Earth masses, HAT-P-54 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 241.551 Earth masses |
| Density | 1.118 grams per cubic centimeter |
| Radius | 10.581 Earth radiae |
| Semi-major Axis | 0.04117 AU |
| Eccentricity | 0.074 |
| Orbital Period | 3.800 days |
| Discovery Method | Transit |
| Discovery Facility | HATNet |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2015-04 |
| Reference | Bakos et al. 2015 |