The Kepler-136 System
2 planets
2 stars
Cygnus
Kepler-136 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets around 2 stars, about 1,373 light-years from Earth.
Size Comparison: The Planets of Kepler-136
Star Kepler-136 and Its Habitable Zone
Kepler-136
- Surface temperature
- 6,165 K (Sun: 5,772 K)
- Radius
- 1.36 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-136: 1.131–2.640 AU (conservative: 1.432–2.503 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-136 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-136 b | Mini Neptune | 12 d | 2.05 R⊕ | 0.26 | 2014 |
| Kepler-136 c | Super Earth | 16 d | 1.99 R⊕ | 0.26 | 2014 |
Discovery History
The first planet found here, Kepler-136 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-136 b (Transit)
- 2014 — Kepler-136 c (Transit)
Frequently Asked Questions About Kepler-136
How many planets does Kepler-136 have?
Kepler-136 has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-136 system habitable?
None of the known planets in Kepler-136 orbit within the star's habitable zone.
How far away is Kepler-136?
Kepler-136 is about 1,373 light-years from Earth in the constellation Cygnus.