The Kepler-146 System
Kepler-146 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,338 light-years from Earth.
Size Comparison: The Planets of Kepler-146
Kepler-146: Star and Habitable Zone
Kepler-146
- Surface temperature
- 5,948 K (Sun: 5,772 K)
- Radius
- 1.21 R☉
Habitable zone of Kepler-146: 0.951–2.231 AU (conservative: 1.204–2.115 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-146 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-146 b | Sub Neptune | 31 d | 3.71 R⊕ | 0.22 | 2014 |
| Kepler-146 c | Sub Neptune | 77 d | 3.13 R⊕ | 0.31 | 2014 |
Discovery History
The first planet found here, Kepler-146 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-146 b (Transit)
- 2014 — Kepler-146 c (Transit)
Frequently Asked Questions About Kepler-146
How many planets does Kepler-146 have?
Kepler-146 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-146 system habitable?
None of the known planets in Kepler-146 orbit within the star's habitable zone.
How far away is Kepler-146?
Kepler-146 is about 2,338 light-years from Earth in the constellation Cygnus.
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