The HAT-P-15 system contains 1 exoplanet. It is located 627.90 light years away from the solar system.
| Mass | 1 solar masses |
| Radius | 1.07 solar radiae |
| Temperature | 5568 kelvin |
| Stellar Metallicity | 0.22 decimal exponent |
| Age | 6.8 billion years |
At more than 50 Earth masses, HAT-P-15 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 | 1.960 grams per cubic centimeter |
| Radius | 11.882 Earth radiae |
| Semi-major Axis | 0.0965 AU |
| Eccentricity | 0.19 |
| Orbital Period | 10.864 days |
| Discovery Method | Transit |
| Discovery Facility | HATNet |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2010-12 |
| Reference | Kovacs et al. 2010 |