The Kepler-47 System
3 planets
2 stars
Circumbinary
Cygnus
Kepler-47 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets around 2 stars, about 3,343 light-years from Earth.
Size Comparison: The Planets of Kepler-47
Star Kepler-47 and Its Habitable Zone
Kepler-47
- Mass
- 0.96 M☉
- Radius
- 0.94 R☉
All 3 Planets in the Kepler-47 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-47 b | Puffy Planet | 49 d | 3.05 R⊕ | 0.32 | 2012 |
| Kepler-47 c | Neptune-like | 303 d | 4.65 R⊕ | 0.54 | 2012 |
| Kepler-47 d | Cold Gas Giant | 187 d | 7.04 R⊕ | 0.45 | 2019 |
Discovery History
The first planet found here, Kepler-47 b, was discovered in 2012 using the transit method. The most recent addition, Kepler-47 d, followed in 2019.
- 2012 — Kepler-47 b (Transit)
- 2012 — Kepler-47 c (Transit)
- 2019 — Kepler-47 d (Transit)
Frequently Asked Questions About Kepler-47
How many planets does Kepler-47 have?
Kepler-47 has 3 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-47 system habitable?
None of the known planets in Kepler-47 orbit within the star's habitable zone.
How far away is Kepler-47?
Kepler-47 is about 3,343 light-years from Earth in the constellation Cygnus.
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