The Kepler-1154 System
Kepler-1154 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 4,762 light-years from Earth.
Size Comparison: The Planets of Kepler-1154
Kepler-1154: Star and Habitable Zone
Kepler-1154
- Surface temperature
- 6,327 K (Sun: 5,772 K)
- Mass
- 1.26 M☉
- Radius
- 1.43 R☉
- Age
- 2.3 billion years (Sun: 4.6)
Habitable zone of Kepler-1154: 1.245–2.897 AU (conservative: 1.576–2.747 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-1154 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1154 b | Mini Neptune | 5.2 d | 2.34 R⊕ | 0.24 | 2016 |
| Kepler-1154 c | Mini Neptune | 8.5 d | 2.36 R⊕ | 0.24 | 2016 |
Discovery History
The first planet found here, Kepler-1154 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-1154 b (Transit)
- 2016 — Kepler-1154 c (Transit)
Frequently Asked Questions About Kepler-1154
How many planets does Kepler-1154 have?
Kepler-1154 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1154 system habitable?
None of the known planets in Kepler-1154 orbit within the star's habitable zone.
How far away is Kepler-1154?
Kepler-1154 is about 4,762 light-years from Earth in the constellation Cygnus.
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