The Kepler-1311 System
Kepler-1311 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 2,826 light-years from Earth.
Size Comparison: The Planets of Kepler-1311
Kepler-1311: Star and Habitable Zone
Kepler-1311
- Surface temperature
- 5,616 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.67 R☉
Habitable zone of Kepler-1311: 1.198–2.836 AU (conservative: 1.518–2.689 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-1311 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1311 b | Terrestrial | 11 d | 1.24 R⊕ | 0.29 | 2016 |
| Kepler-1311 c | Terrestrial | 2.5 d | 1.22 R⊕ | 0.29 | 2016 |
| Kepler-1311 d | Cold Gas Giant | 198 d | 9.66 R⊕ | 0.22 | 2021 |
Discovery History
The first planet found here, Kepler-1311 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-1311 d, followed in 2021.
- 2016 — Kepler-1311 b (Transit)
- 2016 — Kepler-1311 c (Transit)
- 2021 — Kepler-1311 d (Transit)
Frequently Asked Questions About Kepler-1311
How many planets does Kepler-1311 have?
Kepler-1311 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1311 system habitable?
None of the known planets in Kepler-1311 orbit within the star's habitable zone.
How far away is Kepler-1311?
Kepler-1311 is about 2,826 light-years from Earth in the constellation Cygnus.
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