The Kepler-388 System
2 planets
Lyra
Kepler-388 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets.
Size Comparison: The Planets of Kepler-388
Kepler-388: Star and Habitable Zone
Kepler-388
- Surface temperature
- 4,498 K (Sun: 5,772 K)
- Radius
- 0.59 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-388: 0.284–0.702 AU (conservative: 0.360–0.665 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-388 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-388 b | Terrestrial | 3.2 d | 0.81 R⊕ | 0.29 | 2014 |
| Kepler-388 c | Terrestrial | 13 d | 0.86 R⊕ | 0.32 | 2014 |
Discovery History
The first planet found here, Kepler-388 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-388 b (Transit)
- 2014 — Kepler-388 c (Transit)
Frequently Asked Questions About Kepler-388
How many planets does Kepler-388 have?
Kepler-388 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-388 system habitable?
None of the known planets in Kepler-388 orbit within the star's habitable zone.
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