The Kepler-394 System
Kepler-394 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 3,453 light-years from Earth.
Size Comparison: The Planets of Kepler-394
Kepler-394: Star and Habitable Zone
Kepler-394
- Surface temperature
- 6,402 K (Sun: 5,772 K)
- Radius
- 1.13 R☉
Habitable zone of Kepler-394: 1.004–2.335 AU (conservative: 1.272–2.213 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 3 Planets in the Kepler-394 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-394 b | Super Earth | 8.0 d | 1.60 R⊕ | 0.28 | 2014 |
| Kepler-394 c | Super Earth | 12 d | 1.66 R⊕ | 0.29 | 2014 |
| Kepler-394 d | Super Earth | 5.6 d | 1.50 R⊕ | 0.28 | 2021 |
Discovery History
The first planet found here, Kepler-394 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-394 d, followed in 2021.
- 2014 — Kepler-394 b (Transit)
- 2014 — Kepler-394 c (Transit)
- 2021 — Kepler-394 d (Transit)
Frequently Asked Questions About Kepler-394
How many planets does Kepler-394 have?
Kepler-394 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-394 system habitable?
None of the known planets in Kepler-394 orbit within the star's habitable zone.
How far away is Kepler-394?
Kepler-394 is about 3,453 light-years from Earth in the constellation Cygnus.
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