The HD 139357 system contains 1 exoplanet. It is located 365.59 light years away from the solar system.
| Mass | 2.69 solar masses |
| Radius | 11.47 solar radiae |
| Temperature | 4700 kelvin |
| Stellar Metallicity | -0.13 decimal exponent |
| Age | 3.07 billion years |
At more than 50 Earth masses, HD 139357 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 6315.526 Earth masses |
| Density | 19.600 grams per cubic centimeter |
| Radius | 12.100 Earth radiae |
| Semi-major Axis | 2.948979 AU |
| Eccentricity | 0.098928 |
| Orbital Period | 1124.791 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Thueringer Landessternwarte Tautenburg |
| Discovery Telescope | 2.0 m Alfred Jensch Telescope |
| Discovery Instrument | Coude Echelle Spectrograph |
| Discovery Date | 2009-06 |
| Reference | Doellinger et al. 2009 |