The Kepler-1388 System
4 planets
Lyra
Kepler-1388 is a planetary system in the constellation Lyra hosting 4 confirmed exoplanets, about 1,480 light-years from Earth.
Size Comparison: The Planets of Kepler-1388
Kepler-1388: Star and Habitable Zone
Kepler-1388
- Surface temperature
- 4,098 K (Sun: 5,772 K)
- Mass
- 0.63 M☉
- Radius
- 0.61 R☉
- Age
- 4.5 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-1388: 0.248–0.625 AU (conservative: 0.315–0.593 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 4 Planets in the Kepler-1388 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1388 b | Mini Neptune | 12 d | 2.59 R⊕ | 0.34 | 2016 |
| Kepler-1388 c | Mini Neptune | 5.5 d | 2.26 R⊕ | 0.29 | 2016 |
| Kepler-1388 d | Mini Neptune | 21 d | 2.86 R⊕ | 0.42 | 2016 |
| Kepler-1388 e | Mini Neptune | 38 d | 2.46 R⊕ | 0.60 | 2016 |
Discovery History
The first planet found here, Kepler-1388 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-1388 b (Transit)
- 2016 — Kepler-1388 c (Transit)
- 2016 — Kepler-1388 d (Transit)
- 2016 — Kepler-1388 e (Transit)
Frequently Asked Questions About Kepler-1388
How many planets does Kepler-1388 have?
Kepler-1388 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1388 system habitable?
None of the known planets in Kepler-1388 orbit within the star's habitable zone.
How far away is Kepler-1388?
Kepler-1388 is about 1,480 light-years from Earth in the constellation Lyra.