The Kepler-347 System
Kepler-347 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 4,236 light-years from Earth.
Size Comparison: The Planets of Kepler-347
Kepler-347: Star and Habitable Zone
Kepler-347
- Surface temperature
- 6,088 K (Sun: 5,772 K)
- Radius
- 1.00 R☉
Habitable zone of Kepler-347: 0.822–1.922 AU (conservative: 1.041–1.822 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-347 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-347 b | Super Earth | 13 d | 1.97 R⊕ | 0.26 | 2014 |
| Kepler-347 c | Super Earth | 27 d | 1.75 R⊕ | 0.29 | 2014 |
| Kepler-347 d | Sub Neptune | 86 d | 3.04 R⊕ | 0.28 | 2023 |
Discovery History
The first planet found here, Kepler-347 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-347 d, followed in 2023.
- 2014 — Kepler-347 b (Transit)
- 2014 — Kepler-347 c (Transit)
- 2023 — Kepler-347 d (Transit)
Frequently Asked Questions About Kepler-347
How many planets does Kepler-347 have?
Kepler-347 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-347 system habitable?
None of the known planets in Kepler-347 orbit within the star's habitable zone.
How far away is Kepler-347?
Kepler-347 is about 4,236 light-years from Earth in the constellation Cygnus.
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