The HAT-P-13 system contains 2 exoplanets. It is located 804.99 light years away from the solar system.
| Mass | 1.32 solar masses |
| Radius | 1.76 solar radiae |
| Temperature | 5653 kelvin |
| Stellar Metallicity | 0.46 decimal exponent |
| Age | 5 billion years |
At more than 50 Earth masses, HAT-P-13 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 270.462 Earth masses |
| Density | 0.362 grams per cubic centimeter |
| Radius | 14.258 Earth radiae |
| Semi-major Axis | 0.04383 AU |
| Eccentricity | 0.0133 |
| Orbital Period | 2.916 days |
| Discovery Method | Transit |
| Discovery Facility | HATNet |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2009-12 |
| Reference | Bakos et al. 2009 |
At more than 50 Earth masses, HAT-P-13 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 4538.421 Earth masses |
| Density | 13.400 grams per cubic centimeter |
| Radius | 12.300 Earth radiae |
| Semi-major Axis | 1.258 AU |
| Eccentricity | 0.6616 |
| Orbital Period | 446.270 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2009-12 |
| Reference | Bakos et al. 2009 |