The Kepler-142 System
3 planets
Cygnus
Kepler-142 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 1,790 light-years from Earth.
Size Comparison: The Planets of Kepler-142
Kepler-142: Star and Habitable Zone
Kepler-142
- Surface temperature
- 5,790 K (Sun: 5,772 K)
- Radius
- 1.27 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-142: 0.956–2.251 AU (conservative: 1.210–2.134 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 3 Planets in the Kepler-142 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-142 b | Super Earth | 2.0 d | 1.99 R⊕ | 0.26 | 2014 |
| Kepler-142 c | Mini Neptune | 4.8 d | 2.86 R⊕ | 0.22 | 2014 |
| Kepler-142 d | Mini Neptune | 42 d | 2.16 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-142 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-142 b (Transit)
- 2014 — Kepler-142 c (Transit)
- 2014 — Kepler-142 d (Transit)
Frequently Asked Questions About Kepler-142
How many planets does Kepler-142 have?
Kepler-142 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-142 system habitable?
None of the known planets in Kepler-142 orbit within the star's habitable zone.
How far away is Kepler-142?
Kepler-142 is about 1,790 light-years from Earth in the constellation Cygnus.