The Kepler-311 System
Kepler-311 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 2,540 light-years from Earth.
Size Comparison: The Planets of Kepler-311
Kepler-311: Star and Habitable Zone
Kepler-311
- Surface temperature
- 5,905 K (Sun: 5,772 K)
- Radius
- 1.19 R☉
Habitable zone of Kepler-311: 0.924–2.170 AU (conservative: 1.170–2.057 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-311 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-311 b | Super Earth | 9.2 d | 1.70 R⊕ | 0.28 | 2014 |
| Kepler-311 c | Super Earth | 20 d | 1.43 R⊕ | 0.30 | 2014 |
| Kepler-311 d | Mini Neptune | 232 d | 2.05 R⊕ | 0.58 | 2023 |
Discovery History
The first planet found here, Kepler-311 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-311 d, followed in 2023.
- 2014 — Kepler-311 b (Transit)
- 2014 — Kepler-311 c (Transit)
- 2023 — Kepler-311 d (Transit)
Frequently Asked Questions About Kepler-311
How many planets does Kepler-311 have?
Kepler-311 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-311 system habitable?
None of the known planets in Kepler-311 orbit within the star's habitable zone.
How far away is Kepler-311?
Kepler-311 is about 2,540 light-years from Earth in the constellation Lyra.
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