The Kepler-377 System
2 planets
Cygnus
Kepler-377 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,687 light-years from Earth.
Size Comparison: The Planets of Kepler-377
Kepler-377: Star and Habitable Zone
Kepler-377
- Surface temperature
- 5,949 K (Sun: 5,772 K)
- Radius
- 1.22 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-377: 0.964–2.261 AU (conservative: 1.221–2.143 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-377 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-377 b | Super Earth | 13 d | 1.39 R⊕ | 0.29 | 2014 |
| Kepler-377 c | Mini Neptune | 27 d | 2.06 R⊕ | 0.28 | 2014 |
Discovery History
The first planet found here, Kepler-377 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-377 b (Transit)
- 2014 — Kepler-377 c (Transit)
Frequently Asked Questions About Kepler-377
How many planets does Kepler-377 have?
Kepler-377 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-377 system habitable?
None of the known planets in Kepler-377 orbit within the star's habitable zone.
How far away is Kepler-377?
Kepler-377 is about 2,687 light-years from Earth in the constellation Cygnus.