The Kepler-291 System
Kepler-291 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 5,827 light-years from Earth.
Size Comparison: The Planets of Kepler-291
Kepler-291: Star and Habitable Zone
Kepler-291
- Surface temperature
- 6,002 K (Sun: 5,772 K)
- Radius
- 1.02 R☉
Habitable zone of Kepler-291: 0.812–1.902 AU (conservative: 1.028–1.803 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-291 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-291 b | Mini Neptune | 3.5 d | 2.16 R⊕ | 0.25 | 2014 |
| Kepler-291 c | Super Earth | 5.7 d | 1.88 R⊕ | 0.27 | 2014 |
Discovery History
The first planet found here, Kepler-291 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-291 b (Transit)
- 2014 — Kepler-291 c (Transit)
Frequently Asked Questions About Kepler-291
How many planets does Kepler-291 have?
Kepler-291 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-291 system habitable?
None of the known planets in Kepler-291 orbit within the star's habitable zone.
How far away is Kepler-291?
Kepler-291 is about 5,827 light-years from Earth in the constellation Lyra.
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