The HD 164922 System
HD 164922 is a planetary system in the constellation Hercules hosting 4 confirmed exoplanets, about 72 light-years from Earth.
HD 164922: Star and Habitable Zone
HD 164922
- Surface temperature
- 5,390 K (Sun: 5,772 K)
- Mass
- 0.93 M☉
- Radius
- 0.95 R☉
- Luminosity
- 0.7100 L☉
- Age
- 9.6 billion years (Sun: 4.6)
Habitable zone of HD 164922: 0.647–1.542 AU (conservative: 0.819–1.462 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 4 Planets in the HD 164922 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 164922 b | Cold Gas Giant | 1,207 d | — | 0.20 | 2005 |
| HD 164922 c | Neptune-like | 76 d | — | 0.35 | 2016 |
| HD 164922 d | Super Earth | 12 d | — | 0.28 | 2020 |
| HD 164922 e | Neptune-like | 42 d | — | 0.28 | 2021 |
Discovery History
The first planet found here, HD 164922 b, was discovered in 2005 using the radial velocity method. The most recent addition, HD 164922 e, followed in 2021.
- 2005 — HD 164922 b (Radial Velocity)
- 2016 — HD 164922 c (Radial Velocity)
- 2020 — HD 164922 d (Radial Velocity)
- 2021 — HD 164922 e (Radial Velocity)
Frequently Asked Questions About HD 164922
How many planets does HD 164922 have?
HD 164922 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the HD 164922 system habitable?
None of the known planets in HD 164922 orbit within the star's habitable zone.
How far away is HD 164922?
HD 164922 is about 72 light-years from Earth in the constellation Hercules.
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