The HD 47186 System
2 planets
Canis Major
HD 47186 is a planetary system in the constellation Canis Major hosting 2 confirmed exoplanets, about 122 light-years from Earth.
HD 47186: Star and Habitable Zone
HD 47186
- Surface temperature
- 5,657 K (Sun: 5,772 K)
- Mass
- 0.96 M☉
- Radius
- 1.08 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of HD 47186: 0.783–1.850 AU (conservative: 0.991–1.754 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 47186 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 47186 b | Neptune-like | 4.1 d | — | 0.15 | 2008 |
| HD 47186 c | Cold Gas Giant | 1,354 d | — | 0.23 | 2008 |
Discovery History
The first planet found here, HD 47186 b, was discovered in 2008 using the radial velocity method.
- 2008 — HD 47186 b (Radial Velocity)
- 2008 — HD 47186 c (Radial Velocity)
Frequently Asked Questions About HD 47186
How many planets does HD 47186 have?
HD 47186 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 47186 system habitable?
None of the known planets in HD 47186 orbit within the star's habitable zone.
How far away is HD 47186?
HD 47186 is about 122 light-years from Earth in the constellation Canis Major.