The Kepler-159 System
Kepler-159 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,219 light-years from Earth.
Size Comparison: The Planets of Kepler-159
Kepler-159: Star and Habitable Zone
Kepler-159
- Surface temperature
- 4,625 K (Sun: 5,772 K)
- Radius
- 0.66 R☉
Habitable zone of Kepler-159: 0.338–0.831 AU (conservative: 0.428–0.788 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-159 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-159 b | Mini Neptune | 10 d | 2.38 R⊕ | 0.28 | 2014 |
| Kepler-159 c | Sub Neptune | 44 d | 3.41 R⊕ | 0.44 | 2014 |
Discovery History
The first planet found here, Kepler-159 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-159 b (Transit)
- 2014 — Kepler-159 c (Transit)
Frequently Asked Questions About Kepler-159
How many planets does Kepler-159 have?
Kepler-159 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-159 system habitable?
None of the known planets in Kepler-159 orbit within the star's habitable zone.
How far away is Kepler-159?
Kepler-159 is about 1,219 light-years from Earth in the constellation Cygnus.
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