The Kepler-400 System
Kepler-400 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,759 light-years from Earth.
Size Comparison: The Planets of Kepler-400
Kepler-400: Star and Habitable Zone
Kepler-400
- Surface temperature
- 5,886 K (Sun: 5,772 K)
- Radius
- 1.15 R☉
Habitable zone of Kepler-400: 0.886–2.081 AU (conservative: 1.122–1.973 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-400 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-400 b | Super Earth | 9.0 d | 1.65 R⊕ | 0.28 | 2014 |
| Kepler-400 c | Super Earth | 17 d | 1.49 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-400 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-400 b (Transit)
- 2014 — Kepler-400 c (Transit)
Frequently Asked Questions About Kepler-400
How many planets does Kepler-400 have?
Kepler-400 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-400 system habitable?
None of the known planets in Kepler-400 orbit within the star's habitable zone.
How far away is Kepler-400?
Kepler-400 is about 2,759 light-years from Earth in the constellation Lyra.
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