The Kepler-188 System
Kepler-188 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 3,159 light-years from Earth.
Size Comparison: The Planets of Kepler-188
Kepler-188: Star and Habitable Zone
Kepler-188
- Surface temperature
- 6,021 K (Sun: 5,772 K)
- Radius
- 1.14 R☉
Habitable zone of Kepler-188: 0.916–2.146 AU (conservative: 1.160–2.034 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-188 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-188 b | Super Earth | 2.1 d | 1.68 R⊕ | 0.27 | 2014 |
| Kepler-188 c | Sub Neptune | 6.0 d | 3.19 R⊕ | 0.21 | 2014 |
Discovery History
The first planet found here, Kepler-188 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-188 b (Transit)
- 2014 — Kepler-188 c (Transit)
Frequently Asked Questions About Kepler-188
How many planets does Kepler-188 have?
Kepler-188 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-188 system habitable?
None of the known planets in Kepler-188 orbit within the star's habitable zone.
How far away is Kepler-188?
Kepler-188 is about 3,159 light-years from Earth in the constellation Lyra.
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