The Kepler-158 System
Kepler-158 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 1,028 light-years from Earth.
Size Comparison: The Planets of Kepler-158
Kepler-158: Star and Habitable Zone
Kepler-158
- Spectral type
- K
- Surface temperature
- 4,896 K (Sun: 5,772 K)
- Mass
- 0.66 M☉
- Radius
- 0.67 R☉
Habitable zone of Kepler-158: 0.377–0.917 AU (conservative: 0.478–0.869 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 3 Planets in the Kepler-158 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-158 b | Mini Neptune | 17 d | 2.12 R⊕ | 0.34 | 2014 |
| Kepler-158 c | Super Earth | 29 d | 1.90 R⊕ | 0.43 | 2014 |
| Kepler-158 d | Terrestrial | 0.6 d | 0.43 R⊕ | — | 2024 |
Discovery History
The first planet found here, Kepler-158 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-158 d, followed in 2024.
- 2014 — Kepler-158 b (Transit)
- 2014 — Kepler-158 c (Transit)
- 2024 — Kepler-158 d (Transit)
Frequently Asked Questions About Kepler-158
How many planets does Kepler-158 have?
Kepler-158 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-158 system habitable?
None of the known planets in Kepler-158 orbit within the star's habitable zone.
How far away is Kepler-158?
Kepler-158 is about 1,028 light-years from Earth in the constellation Lyra.
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