The HD 189567 system contains 2 exoplanets. It is located 58.40 light years away from the solar system.
| Mass | 0.83 solar masses |
| Radius | 1.04 solar radiae |
| Temperature | 5726 kelvin |
| Stellar Metallicity | -0.24 decimal exponent |
| Age | 11 billion years |
At more than 10 Earth masses, HD 189567 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 8.500 Earth masses |
| Density | 2.020 grams per cubic centimeter |
| Radius | 2.850 Earth radiae |
| Semi-major Axis | 0.111 AU |
| Eccentricity | 0.189 |
| Orbital Period | 14.288 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2021-10 |
| Reference | Unger et al. 2021 |
At more than 10 Earth masses, HD 189567 c is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 7.000 Earth masses |
| Density | 2.350 grams per cubic centimeter |
| Radius | 2.540 Earth radiae |
| Semi-major Axis | 0.197 AU |
| Eccentricity | 0.16 |
| Orbital Period | 33.688 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2021-10 |
| Reference | Unger et al. 2021 |