The Kepler-108 System
Kepler-108 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets around 2 stars, about 1,105 light-years from Earth.
Size Comparison: The Planets of Kepler-108
Star Kepler-108 and Its Habitable Zone
Kepler-108
- Surface temperature
- 5,854 K (Sun: 5,772 K)
- Radius
- 2.19 R☉
Habitable zone of Kepler-108: 1.681–3.952 AU (conservative: 2.129–3.747 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-108 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-108 b | Cold Gas Giant | 49 d | 8.65 R⊕ | 0.12 | 2014 |
| Kepler-108 c | Cold Gas Giant | 190 d | 8.18 R⊕ | 0.20 | 2014 |
Discovery History
The first planet found here, Kepler-108 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-108 b (Transit)
- 2014 — Kepler-108 c (Transit)
Frequently Asked Questions About Kepler-108
How many planets does Kepler-108 have?
Kepler-108 has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-108 system habitable?
None of the known planets in Kepler-108 orbit within the star's habitable zone.
How far away is Kepler-108?
Kepler-108 is about 1,105 light-years from Earth in the constellation Cygnus.
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