The HD 164922 system contains 4 exoplanets. It is located 71.76 light years away from the solar system.
| Mass | 0.93 solar masses |
| Radius | 0.95 solar radiae |
| Temperature | 5390 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 9.58 billion years |
At more than 50 Earth masses, HD 164922 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 116.000 Earth masses |
| Density | 0.271 grams per cubic centimeter |
| Radius | 13.300 Earth radiae |
| Semi-major Axis | 2.16 AU |
| Eccentricity | 0.08 |
| Orbital Period | 1207.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2006-07 |
| Reference | Butler et al. 2006 |
At more than 10 Earth masses, HD 164922 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 | 13.000 Earth masses |
| Density | 1.460 grams per cubic centimeter |
| Radius | 3.660 Earth radiae |
| Semi-major Axis | 0.341 AU |
| Eccentricity | 0.12 |
| Orbital Period | 75.740 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2016-10 |
| Reference | Fulton et al. 2016 |
At 4.004 Earth masses, HD 164922 d 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 | 4.000 Earth masses |
| Density | 3.590 grams per cubic centimeter |
| Radius | 1.830 Earth radiae |
| Semi-major Axis | 0.103 AU |
| Eccentricity | 0.12 |
| Orbital Period | 12.458 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 | 2020-07 |
| Reference | Benatti et al. 2020 |
At more than 10 Earth masses, HD 164922 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 | 10.520 Earth masses |
| Density | 1.720 grams per cubic centimeter |
| Radius | 3.230 Earth radiae |
| Semi-major Axis | 0.2292 AU |
| Eccentricity | 0.086 |
| Orbital Period | 41.763 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2021-07 |
| Reference | Rosenthal et al. 2021 |