The HATS-3 system contains 1 exoplanet. It is located 1341.19 light years away from the solar system.
| Mass | 1.21 solar masses |
| Radius | 1.4 solar radiae |
| Temperature | 6351 kelvin |
| Stellar Metallicity | -0.157 decimal exponent |
| Age | 3.2 billion years |
At more than 50 Earth masses, HATS-3 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 340.382 Earth masses |
| Density | 0.510 grams per cubic centimeter |
| Radius | 15.480 Earth radiae |
| Semi-major Axis | 0.0485 AU |
| Eccentricity | 0 |
| Orbital Period | 3.548 days |
| Discovery Method | Transit |
| Discovery Facility | HATSouth |
| Discovery Telescope | 0.18 m Takahashi Epsilon Astrograph |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2013-11 |
| Reference | Bayliss et al. 2013 |