The Kepler-177 System
Kepler-177 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 4,682 light-years from Earth.
Size Comparison: The Planets of Kepler-177
Kepler-177: Star and Habitable Zone
Kepler-177
- Surface temperature
- 5,732 K (Sun: 5,772 K)
- Mass
- 0.92 M☉
- Radius
- 1.32 R☉
Habitable zone of Kepler-177: 0.981–2.313 AU (conservative: 1.242–2.193 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-177 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-177 b | Puffy Planet | 37 d | 3.50 R⊕ | 0.22 | 2013 |
| Kepler-177 c | Cold Gas Giant | 49 d | 8.73 R⊕ | 0.14 | 2013 |
Discovery History
The first planet found here, Kepler-177 b, was discovered in 2013 using the transit method.
- 2013 — Kepler-177 b (Transit)
- 2013 — Kepler-177 c (Transit)
Frequently Asked Questions About Kepler-177
How many planets does Kepler-177 have?
Kepler-177 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-177 system habitable?
None of the known planets in Kepler-177 orbit within the star's habitable zone.
How far away is Kepler-177?
Kepler-177 is about 4,682 light-years from Earth in the constellation Lyra.
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