The Kepler-32 System
5 planets
Cygnus
Kepler-32 is a planetary system in the constellation Cygnus hosting 5 confirmed exoplanets, about 1,056 light-years from Earth.
Size Comparison: The Planets of Kepler-32
Kepler-32: Star and Habitable Zone
Kepler-32
- Surface temperature
- 3,900 K (Sun: 5,772 K)
- Mass
- 0.58 M☉
- Radius
- 0.53 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-32: 0.196–0.499 AU (conservative: 0.249–0.473 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 5 Planets in the Kepler-32 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-32 b | Super Earth | 5.9 d | 2.20 R⊕ | 0.31 | 2011 |
| Kepler-32 c | Super Earth | 8.8 d | 2.00 R⊕ | 0.44 | 2011 |
| Kepler-32 d | Mini Neptune | 23 d | 2.70 R⊕ | 0.52 | 2012 |
| Kepler-32 e | Super Earth | 2.9 d | 1.50 R⊕ | 0.31 | 2012 |
| Kepler-32 f | Terrestrial | 0.7 d | 0.82 R⊕ | 0.29 | 2012 |
Discovery History
The first planet found here, Kepler-32 b, was discovered in 2011 using the transit method. The most recent addition, Kepler-32 f, followed in 2012.
- 2011 — Kepler-32 b (Transit)
- 2011 — Kepler-32 c (Transit)
- 2012 — Kepler-32 d (Transit)
- 2012 — Kepler-32 e (Transit)
- 2012 — Kepler-32 f (Transit)
Frequently Asked Questions About Kepler-32
How many planets does Kepler-32 have?
Kepler-32 has 5 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-32 system habitable?
None of the known planets in Kepler-32 orbit within the star's habitable zone.
How far away is Kepler-32?
Kepler-32 is about 1,056 light-years from Earth in the constellation Cygnus.