The HD 219134 system contains 6 exoplanets. It is located 21.30 light years away from the solar system.
| Mass | 0.81 solar masses |
| Radius | 0.78 solar radiae |
| Temperature | 4699 kelvin |
| Stellar Metallicity | 0.11 decimal exponent |
| Age | 11 billion years |
At 4.741 Earth masses, HD 219134 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 4.740 Earth masses |
| Density | 6.340 grams per cubic centimeter |
| Radius | 1.602 Earth radiae |
| Semi-major Axis | 0.03876 AU |
| Eccentricity | 0 |
| Orbital Period | 3.093 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2015-12 |
| Reference | Motalebi et al. 2015 |
At 4.363 Earth masses, HD 219134 c is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 4.360 Earth masses |
| Density | 6.950 grams per cubic centimeter |
| Radius | 1.511 Earth radiae |
| Semi-major Axis | 0.0653 AU |
| Eccentricity | 0.062 |
| Orbital Period | 6.765 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2015-12 |
| Reference | Motalebi et al. 2015 |
At more than 10 Earth masses, HD 219134 d 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 | 16.170 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 1.610 Earth radiae |
| Semi-major Axis | 0.237 AU |
| Eccentricity | 0.138 |
| Orbital Period | 46.859 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2015-12 |
| Reference | Motalebi et al. 2015 |
At more than 10 Earth masses, HD 219134 f 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 | 7.300 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 1.310 Earth radiae |
| Semi-major Axis | 0.1463 AU |
| Eccentricity | 0.148 |
| Orbital Period | 22.717 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2015-11 |
| Reference | Vogt et al. 2015 |
At more than 10 Earth masses, HD 219134 g 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 | 10.806 Earth masses |
| Density | 1.680 grams per cubic centimeter |
| Radius | 3.280 Earth radiae |
| Semi-major Axis | 0.3753 AU |
| Eccentricity | 0 |
| Orbital Period | 94.200 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2015-11 |
| Reference | Vogt et al. 2015 |
At more than 50 Earth masses, HD 219134 h is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 108.062 Earth masses |
| Density | 0.290 grams per cubic centimeter |
| Radius | 12.700 Earth radiae |
| Semi-major Axis | 3.11 AU |
| Eccentricity | 0.06 |
| Orbital Period | 2247.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2015-12 |
| Reference | Motalebi et al. 2015 |