The Kepler-187 System
Kepler-187 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 3,728 light-years from Earth.
Size Comparison: The Planets of Kepler-187
Kepler-187: Star and Habitable Zone
Kepler-187
- Surface temperature
- 6,105 K (Sun: 5,772 K)
- Radius
- 1.29 R☉
Habitable zone of Kepler-187: 1.057–2.471 AU (conservative: 1.339–2.343 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-187 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-187 b | Super Earth | 4.9 d | 1.41 R⊕ | 0.28 | 2014 |
| Kepler-187 c | Mini Neptune | 11 d | 2.67 R⊕ | 0.23 | 2014 |
Discovery History
The first planet found here, Kepler-187 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-187 b (Transit)
- 2014 — Kepler-187 c (Transit)
Frequently Asked Questions About Kepler-187
How many planets does Kepler-187 have?
Kepler-187 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-187 system habitable?
None of the known planets in Kepler-187 orbit within the star's habitable zone.
How far away is Kepler-187?
Kepler-187 is about 3,728 light-years from Earth in the constellation Cygnus.
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