The Kepler-126 System
Kepler-126 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 774 light-years from Earth.
Size Comparison: The Planets of Kepler-126
Kepler-126: Star and Habitable Zone
Kepler-126
- Surface temperature
- 6,239 K (Sun: 5,772 K)
- Radius
- 1.36 R☉
Habitable zone of Kepler-126: 1.155–2.694 AU (conservative: 1.463–2.554 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 3 Planets in the Kepler-126 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-126 b | Super Earth | 10 d | 1.52 R⊕ | 0.28 | 2014 |
| Kepler-126 c | Super Earth | 22 d | 1.58 R⊕ | 0.29 | 2014 |
| Kepler-126 d | Mini Neptune | 100 d | 2.50 R⊕ | 0.32 | 2014 |
Discovery History
The first planet found here, Kepler-126 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-126 b (Transit)
- 2014 — Kepler-126 c (Transit)
- 2014 — Kepler-126 d (Transit)
Frequently Asked Questions About Kepler-126
How many planets does Kepler-126 have?
Kepler-126 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-126 system habitable?
None of the known planets in Kepler-126 orbit within the star's habitable zone.
How far away is Kepler-126?
Kepler-126 is about 774 light-years from Earth in the constellation Cygnus.
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