The HATS-4 system contains 1 exoplanet. It is located 1358.31 light years away from the solar system.
| Mass | 1 solar masses |
| Radius | 0.93 solar radiae |
| Temperature | 5403 kelvin |
| Stellar Metallicity | 0.43 decimal exponent |
| Age | 2.1 billion years |
At more than 50 Earth masses, HATS-4 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 420.471 Earth masses |
| Density | 1.550 grams per cubic centimeter |
| Radius | 11.433 Earth radiae |
| Semi-major Axis | 0.0362 AU |
| Eccentricity | 0.013 |
| Orbital Period | 2.517 days |
| Discovery Method | Transit |
| Discovery Facility | HATSouth |
| Discovery Telescope | 0.18 m Takahashi Epsilon Astrograph |
| Discovery Instrument | Apogee 4K CCD Sensor |
| Discovery Date | 2014-08 |
| Reference | Jordan et al. 2014 |