The HAT-P-27 system contains 1 exoplanet. It is located 649.61 light years away from the solar system.
| Mass | 0.92 solar masses |
| Radius | 0.86 solar radiae |
| Temperature | 5316 kelvin |
| Stellar Metallicity | 0.3 decimal exponent |
| Age | 4.4 billion years |
At more than 50 Earth masses, HAT-P-27 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 197.050 Earth masses |
| Density | 0.760 grams per cubic centimeter |
| Radius | 11.430 Earth radiae |
| Semi-major Axis | 0.04 AU |
| Eccentricity | 0 |
| Orbital Period | 3.040 days |
| Discovery Method | Transit |
| Discovery Facility | HATNet |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2011-06 |
| Reference | Béky et al. 2011 |