The Kepler-378 System
Kepler-378 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 496 light-years from Earth.
Size Comparison: The Planets of Kepler-378
Kepler-378: Star and Habitable Zone
Kepler-378
- Surface temperature
- 4,661 K (Sun: 5,772 K)
- Radius
- 0.67 R☉
Habitable zone of Kepler-378: 0.347–0.851 AU (conservative: 0.440–0.807 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-378 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-378 b | Terrestrial | 16 d | 0.75 R⊕ | 0.36 | 2014 |
| Kepler-378 c | Terrestrial | 29 d | 0.70 R⊕ | 0.44 | 2014 |
Discovery History
The first planet found here, Kepler-378 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-378 b (Transit)
- 2014 — Kepler-378 c (Transit)
Frequently Asked Questions About Kepler-378
How many planets does Kepler-378 have?
Kepler-378 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-378 system habitable?
None of the known planets in Kepler-378 orbit within the star's habitable zone.
How far away is Kepler-378?
Kepler-378 is about 496 light-years from Earth in the constellation Cygnus.
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