The HD 219139 system contains 1 exoplanet. It is located 342.25 light years away from the solar system.
| Mass | 1.46 solar masses |
| Radius | 11.22 solar radiae |
| Temperature | 4831 kelvin |
| Stellar Metallicity | -0.2 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 219139 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 247.906 Earth masses |
| Density | 0.496 grams per cubic centimeter |
| Radius | 14.000 Earth radiae |
| Semi-major Axis | 0.94 AU |
| Eccentricity | 0.11 |
| Orbital Period | 275.500 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Okayama Astrophysical Observatory |
| Discovery Telescope | 1.88 m Telescope |
| Discovery Instrument | HIDES Echelle Spectrograph |
| Discovery Date | 2021-12 |
| Reference | Teng et al. 2021 |