The Kepler-154 System
Kepler-154 is a planetary system in the constellation Cygnus hosting 5 confirmed exoplanets, about 2,985 light-years from Earth.
Size Comparison: The Planets of Kepler-154
Kepler-154: Star and Habitable Zone
Kepler-154
- Surface temperature
- 5,690 K (Sun: 5,772 K)
- Radius
- 1.00 R☉
Habitable zone of Kepler-154: 0.732–1.730 AU (conservative: 0.928–1.640 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 5 Planets in the Kepler-154 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-154 b | Mini Neptune | 33 d | 2.26 R⊕ | 0.29 | 2014 |
| Kepler-154 c | Mini Neptune | 62 d | 2.95 R⊕ | 0.31 | 2014 |
| Kepler-154 d | Sub Neptune | 21 d | 3.84 R⊕ | 0.20 | 2016 |
| Kepler-154 e | Super Earth | 3.9 d | 1.50 R⊕ | 0.28 | 2016 |
| Kepler-154 f | Super Earth | 9.9 d | 1.50 R⊕ | 0.29 | 2016 |
Discovery History
The first planet found here, Kepler-154 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-154 f, followed in 2016.
- 2014 — Kepler-154 b (Transit)
- 2014 — Kepler-154 c (Transit)
- 2016 — Kepler-154 d (Transit)
- 2016 — Kepler-154 e (Transit)
- 2016 — Kepler-154 f (Transit)
Frequently Asked Questions About Kepler-154
How many planets does Kepler-154 have?
Kepler-154 has 5 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-154 system habitable?
None of the known planets in Kepler-154 orbit within the star's habitable zone.
How far away is Kepler-154?
Kepler-154 is about 2,985 light-years from Earth in the constellation Cygnus.
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