The Kepler-393 System
2 planets
Cygnus
Kepler-393 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,875 light-years from Earth.
Size Comparison: The Planets of Kepler-393
Kepler-393: Star and Habitable Zone
Kepler-393
- Surface temperature
- 6,189 K (Sun: 5,772 K)
- Radius
- 1.38 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-393: 1.161–2.708 AU (conservative: 1.470–2.568 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-393 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-393 b | Super Earth | 9.2 d | 1.29 R⊕ | 0.29 | 2014 |
| Kepler-393 c | Super Earth | 15 d | 1.33 R⊕ | 0.29 | 2014 |
Discovery History
The first planet found here, Kepler-393 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-393 b (Transit)
- 2014 — Kepler-393 c (Transit)
Frequently Asked Questions About Kepler-393
How many planets does Kepler-393 have?
Kepler-393 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-393 system habitable?
None of the known planets in Kepler-393 orbit within the star's habitable zone.
How far away is Kepler-393?
Kepler-393 is about 2,875 light-years from Earth in the constellation Cygnus.