The Kepler-109 System
Kepler-109 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 1,549 light-years from Earth.
Size Comparison: The Planets of Kepler-109
Kepler-109: Star and Habitable Zone
Kepler-109
- Surface temperature
- 5,950 K (Sun: 5,772 K)
- Mass
- 1.09 M☉
- Radius
- 1.39 R☉
- Age
- 6.2 billion years (Sun: 4.6)
Habitable zone of Kepler-109: 1.092–2.562 AU (conservative: 1.384–2.429 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-109 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-109 b | Mini Neptune | 6.5 d | 2.49 R⊕ | 0.23 | 2014 |
| Kepler-109 c | Mini Neptune | 21 d | 2.65 R⊕ | 0.24 | 2014 |
Discovery History
The first planet found here, Kepler-109 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-109 b (Transit)
- 2014 — Kepler-109 c (Transit)
Frequently Asked Questions About Kepler-109
How many planets does Kepler-109 have?
Kepler-109 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-109 system habitable?
None of the known planets in Kepler-109 orbit within the star's habitable zone.
How far away is Kepler-109?
Kepler-109 is about 1,549 light-years from Earth in the constellation Lyra.
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