The HD 86226 System
HD 86226 is a planetary system in the constellation Hydra hosting 2 confirmed exoplanets, about 149 light-years from Earth.
Size Comparison: The Planets of HD 86226
Planets without a measured radius are not shown.
HD 86226: Star and Habitable Zone
HD 86226
- Spectral type
- G1 V
- Surface temperature
- 5,863 K (Sun: 5,772 K)
- Mass
- 1.02 M☉
- Radius
- 1.05 R☉
- Luminosity
- 1.1800 L☉
- Age
- 4.6 billion years (Sun: 4.6)
Habitable zone of HD 86226: 0.811–1.907 AU (conservative: 1.027–1.808 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 2 Planets in the HD 86226 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 86226 b | Cold Gas Giant | 1,628 d | — | 0.20 | 2009 |
| HD 86226 c | Super Earth | 4.0 d | 2.16 R⊕ | 0.25 | 2020 |
Discovery History
The first planet found here, HD 86226 b, was discovered in 2009 using the radial velocity method. The most recent addition, HD 86226 c, followed in 2020.
- 2009 — HD 86226 b (Radial Velocity)
- 2020 — HD 86226 c (Transit)
Frequently Asked Questions About HD 86226
How many planets does HD 86226 have?
HD 86226 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 86226 system habitable?
None of the known planets in HD 86226 orbit within the star's habitable zone.
How far away is HD 86226?
HD 86226 is about 149 light-years from Earth in the constellation Hydra.
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