The Kepler-432 System
Kepler-432 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets around 2 stars, about 2,766 light-years from Earth.
Size Comparison: The Planets of Kepler-432
Planets without a measured radius are not shown.
Star Kepler-432 and Its Habitable Zone
Kepler-432
- Surface temperature
- 4,995 K (Sun: 5,772 K)
- Mass
- 1.32 M☉
- Radius
- 4.06 R☉
- Age
- 4.2 billion years (Sun: 4.6)
Habitable zone of Kepler-432: 2.377–5.748 AU (conservative: 3.011–5.450 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 2 Planets in the Kepler-432 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-432 b | Cold Gas Giant | 53 d | 12.83 R⊕ | 0.08 | 2015 |
| Kepler-432 c | Cold Gas Giant | 406 d | — | 0.19 | 2015 |
Discovery History
The first planet found here, Kepler-432 b, was discovered in 2015 using the transit method.
- 2015 — Kepler-432 b (Transit)
- 2015 — Kepler-432 c (Radial Velocity)
Frequently Asked Questions About Kepler-432
How many planets does Kepler-432 have?
Kepler-432 has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-432 system habitable?
None of the known planets in Kepler-432 orbit within the star's habitable zone.
How far away is Kepler-432?
Kepler-432 is about 2,766 light-years from Earth in the constellation Cygnus.
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