The Kepler-80 System
6 planets
Cygnus
Kepler-80 is a planetary system in the constellation Cygnus hosting 6 confirmed exoplanets, about 1,205 light-years from Earth.
Size Comparison: The Planets of Kepler-80
Kepler-80: Star and Habitable Zone
Kepler-80
- Surface temperature
- 4,540 K (Sun: 5,772 K)
- Mass
- 0.83 M☉
- Radius
- 0.68 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-80: 0.334–0.824 AU (conservative: 0.423–0.782 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 6 Planets in the Kepler-80 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-80 b | Puffy Planet | 7.1 d | 2.67 R⊕ | 0.25 | 2012 |
| Kepler-80 c | Puffy Planet | 9.5 d | 2.74 R⊕ | 0.27 | 2012 |
| Kepler-80 d | Super Earth | 3.1 d | 1.53 R⊕ | 0.29 | 2014 |
| Kepler-80 e | Super Earth | 4.6 d | 1.60 R⊕ | 0.29 | 2014 |
| Kepler-80 f | Terrestrial | 1.0 d | 1.21 R⊕ | 0.29 | 2016 |
| Kepler-80 g | Terrestrial | 15 d | 1.13 R⊕ | 0.38 | 2017 |
Discovery History
The first planet found here, Kepler-80 b, was discovered in 2012 using the transit method. The most recent addition, Kepler-80 g, followed in 2017.
- 2012 — Kepler-80 b (Transit)
- 2012 — Kepler-80 c (Transit)
- 2014 — Kepler-80 d (Transit)
- 2014 — Kepler-80 e (Transit)
- 2016 — Kepler-80 f (Transit)
- 2017 — Kepler-80 g (Transit)
Frequently Asked Questions About Kepler-80
How many planets does Kepler-80 have?
Kepler-80 has 6 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-80 system habitable?
None of the known planets in Kepler-80 orbit within the star's habitable zone.
How far away is Kepler-80?
Kepler-80 is about 1,205 light-years from Earth in the constellation Cygnus.