The Kepler-406 System
2 planets
Cygnus
Kepler-406 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,187 light-years from Earth.
Size Comparison: The Planets of Kepler-406
Kepler-406: Star and Habitable Zone
Kepler-406
- Surface temperature
- 5,538 K (Sun: 5,772 K)
- Mass
- 1.07 M☉
- Radius
- 1.07 R☉
- Age
- 5.8 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-406: 0.748–1.775 AU (conservative: 0.948–1.683 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 Kepler-406 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-406 b | Super Earth | 2.4 d | 1.43 R⊕ | 0.28 | 2014 |
| Kepler-406 c | Terrestrial | 4.6 d | 0.85 R⊕ | 0.29 | 2014 |
Discovery History
The first planet found here, Kepler-406 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-406 b (Transit)
- 2014 — Kepler-406 c (Transit)
Frequently Asked Questions About Kepler-406
How many planets does Kepler-406 have?
Kepler-406 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-406 system habitable?
None of the known planets in Kepler-406 orbit within the star's habitable zone.
How far away is Kepler-406?
Kepler-406 is about 1,187 light-years from Earth in the constellation Cygnus.