The Kepler-404 System
Kepler-404 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,650 light-years from Earth.
Size Comparison: The Planets of Kepler-404
Kepler-404: Star and Habitable Zone
Kepler-404
- Surface temperature
- 5,654 K (Sun: 5,772 K)
- Radius
- 0.88 R☉
Habitable zone of Kepler-404: 0.640–1.513 AU (conservative: 0.811–1.434 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-404 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-404 b | Super Earth | 12 d | 1.27 R⊕ | 0.32 | 2014 |
| Kepler-404 c | Super Earth | 15 d | 1.72 R⊕ | 0.31 | 2014 |
Discovery History
The first planet found here, Kepler-404 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-404 b (Transit)
- 2014 — Kepler-404 c (Transit)
Frequently Asked Questions About Kepler-404
How many planets does Kepler-404 have?
Kepler-404 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-404 system habitable?
None of the known planets in Kepler-404 orbit within the star's habitable zone.
How far away is Kepler-404?
Kepler-404 is about 2,650 light-years from Earth in the constellation Lyra.
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