The Kepler-155 System
2 planets
Cygnus
Kepler-155 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 957 light-years from Earth.
Size Comparison: The Planets of Kepler-155
Kepler-155: Star and Habitable Zone
Kepler-155
- Surface temperature
- 4,508 K (Sun: 5,772 K)
- Radius
- 0.62 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-155: 0.302–0.745 AU (conservative: 0.382–0.706 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-155 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-155 b | Mini Neptune | 5.9 d | 2.09 R⊕ | 0.31 | 2014 |
| Kepler-155 c | Mini Neptune | 53 d | 2.24 R⊕ | 0.73 | 2014 |
Discovery History
The first planet found here, Kepler-155 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-155 b (Transit)
- 2014 — Kepler-155 c (Transit)
Frequently Asked Questions About Kepler-155
How many planets does Kepler-155 have?
Kepler-155 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-155 system habitable?
None of the known planets in Kepler-155 orbit within the star's habitable zone.
How far away is Kepler-155?
Kepler-155 is about 957 light-years from Earth in the constellation Cygnus.