The Kepler-431 System
Kepler-431 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 1,587 light-years from Earth.
Size Comparison: The Planets of Kepler-431
Kepler-431: Star and Habitable Zone
Kepler-431
- Surface temperature
- 6,004 K (Sun: 5,772 K)
- Mass
- 1.07 M☉
- Radius
- 1.09 R☉
Habitable zone of Kepler-431: 0.873–2.045 AU (conservative: 1.106–1.939 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-431 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-431 b | Terrestrial | 6.8 d | 0.76 R⊕ | 0.29 | 2015 |
| Kepler-431 c | Terrestrial | 8.7 d | 0.67 R⊕ | 0.28 | 2015 |
| Kepler-431 d | Terrestrial | 12 d | 1.11 R⊕ | 0.30 | 2015 |
Discovery History
The first planet found here, Kepler-431 b, was discovered in 2015 using the transit method.
- 2015 — Kepler-431 b (Transit)
- 2015 — Kepler-431 c (Transit)
- 2015 — Kepler-431 d (Transit)
Frequently Asked Questions About Kepler-431
How many planets does Kepler-431 have?
Kepler-431 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-431 system habitable?
None of the known planets in Kepler-431 orbit within the star's habitable zone.
How far away is Kepler-431?
Kepler-431 is about 1,587 light-years from Earth in the constellation Lyra.
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