The Kepler-342 System
4 planets
Cygnus
Kepler-342 is a planetary system in the constellation Cygnus hosting 4 confirmed exoplanets, about 2,549 light-years from Earth.
Size Comparison: The Planets of Kepler-342
Kepler-342: Star and Habitable Zone
Kepler-342
- Surface temperature
- 6,175 K (Sun: 5,772 K)
- Radius
- 1.47 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-342: 1.232–2.875 AU (conservative: 1.560–2.726 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 4 Planets in the Kepler-342 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-342 b | Mini Neptune | 15 d | 2.25 R⊕ | 0.25 | 2014 |
| Kepler-342 c | Super Earth | 26 d | 1.96 R⊕ | 0.27 | 2014 |
| Kepler-342 d | Mini Neptune | 39 d | 2.49 R⊕ | 0.26 | 2014 |
| Kepler-342 e | Terrestrial | 1.6 d | 0.88 R⊕ | 0.29 | 2016 |
Discovery History
The first planet found here, Kepler-342 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-342 e, followed in 2016.
- 2014 — Kepler-342 b (Transit)
- 2014 — Kepler-342 c (Transit)
- 2014 — Kepler-342 d (Transit)
- 2016 — Kepler-342 e (Transit)
Frequently Asked Questions About Kepler-342
How many planets does Kepler-342 have?
Kepler-342 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-342 system habitable?
None of the known planets in Kepler-342 orbit within the star's habitable zone.
How far away is Kepler-342?
Kepler-342 is about 2,549 light-years from Earth in the constellation Cygnus.