The Kepler-266 System
Kepler-266 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 4,471 light-years from Earth.
Size Comparison: The Planets of Kepler-266
Kepler-266: Star and Habitable Zone
Kepler-266
- Surface temperature
- 5,885 K (Sun: 5,772 K)
- Radius
- 1.03 R☉
Habitable zone of Kepler-266: 0.795–1.868 AU (conservative: 1.007–1.771 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-266 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-266 b | Mini Neptune | 6.6 d | 2.48 R⊕ | 0.24 | 2014 |
| Kepler-266 c | Sub Neptune | 108 d | 3.89 R⊕ | 0.37 | 2014 |
Discovery History
The first planet found here, Kepler-266 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-266 b (Transit)
- 2014 — Kepler-266 c (Transit)
Frequently Asked Questions About Kepler-266
How many planets does Kepler-266 have?
Kepler-266 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-266 system habitable?
None of the known planets in Kepler-266 orbit within the star's habitable zone.
How far away is Kepler-266?
Kepler-266 is about 4,471 light-years from Earth in the constellation Cygnus.
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