The HAT-P-5 system contains 1 exoplanet. It is located 989.35 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 1.12 solar radiae |
| Temperature | 5960 kelvin |
| Stellar Metallicity | 0.24 decimal exponent |
| Age | 2.6 billion years |
At more than 50 Earth masses, HAT-P-5 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 311.473 Earth masses |
| Density | 0.642 grams per cubic centimeter |
| Radius | 13.563 Earth radiae |
| Semi-major Axis | 0.04073 AU |
| Eccentricity | 0 |
| Orbital Period | 2.788 days |
| Discovery Method | Transit |
| Discovery Facility | HATNet |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2007-12 |
| Reference | Bakos et al. 2007 |