The Kepler-26 System
4 planets
Lyra
Kepler-26 is a planetary system in the constellation Lyra hosting 4 confirmed exoplanets, about 1,094 light-years from Earth.
Size Comparison: The Planets of Kepler-26
Kepler-26: Star and Habitable Zone
Kepler-26
- Surface temperature
- 4,486 K (Sun: 5,772 K)
- Radius
- 0.57 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-26: 0.275–0.681 AU (conservative: 0.349–0.645 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 4 Planets in the Kepler-26 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-26 b | Puffy Planet | 12 d | 2.78 R⊕ | 0.32 | 2011 |
| Kepler-26 c | Mini Neptune | 17 d | 2.72 R⊕ | 0.37 | 2011 |
| Kepler-26 d | Terrestrial | 3.5 d | 1.07 R⊕ | 0.32 | 2014 |
| Kepler-26 e | Mini Neptune | 47 d | 2.41 R⊕ | 0.64 | 2014 |
Discovery History
The first planet found here, Kepler-26 b, was discovered in 2011 using the transit method. The most recent addition, Kepler-26 e, followed in 2014.
- 2011 — Kepler-26 b (Transit)
- 2011 — Kepler-26 c (Transit)
- 2014 — Kepler-26 d (Transit)
- 2014 — Kepler-26 e (Transit)
Frequently Asked Questions About Kepler-26
How many planets does Kepler-26 have?
Kepler-26 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-26 system habitable?
None of the known planets in Kepler-26 orbit within the star's habitable zone.
How far away is Kepler-26?
Kepler-26 is about 1,094 light-years from Earth in the constellation Lyra.