The HD 3167 system contains 4 exoplanets. It is located 154.24 light years away from the solar system.
| Mass | 0.85 solar masses |
| Radius | 0.87 solar radiae |
| Temperature | 5300 kelvin |
| Stellar Metallicity | 0.037 decimal exponent |
| Age | 10.2 billion years |
At 4.732 Earth masses, HD 3167 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 | 4.730 Earth masses |
| Density | 5.500 grams per cubic centimeter |
| Radius | 1.627 Earth radiae |
| Semi-major Axis | 0.01802 AU |
| Eccentricity | 0.1 |
| Orbital Period | 0.960 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-09 |
| Reference | Vanderburg et al. 2016 |
At more than 10 Earth masses, HD 3167 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 | 10.670 Earth masses |
| Density | 2.350 grams per cubic centimeter |
| Radius | 2.923 Earth radiae |
| Semi-major Axis | 0.1783 AU |
| Eccentricity | 0.15 |
| Orbital Period | 29.846 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-09 |
| Reference | Vanderburg et al. 2016 |
At more than 10 Earth masses, HD 3167 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 | 5.030 Earth masses |
| Density | 3.030 grams per cubic centimeter |
| Radius | 2.090 Earth radiae |
| Semi-major Axis | 0.07703 AU |
| Eccentricity | 0.44 |
| Orbital Period | 8.478 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-09 |
| Reference | Christiansen et al. 2017 |
At more than 10 Earth masses, HD 3167 e 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 | 9.740 Earth masses |
| Density | 1.810 grams per cubic centimeter |
| Radius | 3.090 Earth radiae |
| Semi-major Axis | 0.4048 AU |
| Eccentricity | 0.6 |
| Orbital Period | 102.090 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | CHaracterising ExOPlanets Satellite (CHEOPS) |
| Discovery Telescope | 0.3 m Ritchey-Chretien Telescope |
| Discovery Instrument | Teledyne e2v CCD detector |
| Discovery Date | 2022-09 |
| Reference | Bourrier et al. 2022 |