The Kepler-157 System
Kepler-157 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 2,524 light-years from Earth.
Size Comparison: The Planets of Kepler-157
Kepler-157: Star and Habitable Zone
Kepler-157
- Surface temperature
- 5,774 K (Sun: 5,772 K)
- Radius
- 1.04 R☉
Habitable zone of Kepler-157: 0.783–1.844 AU (conservative: 0.991–1.748 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-157 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-157 b | Super Earth | 1.7 d | 1.32 R⊕ | 0.29 | 2014 |
| Kepler-157 c | Mini Neptune | 14 d | 2.24 R⊕ | 0.26 | 2014 |
| Kepler-157 d | Super Earth | 7.0 d | 1.46 R⊕ | 0.29 | 2016 |
Discovery History
The first planet found here, Kepler-157 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-157 d, followed in 2016.
- 2014 — Kepler-157 b (Transit)
- 2014 — Kepler-157 c (Transit)
- 2016 — Kepler-157 d (Transit)
Frequently Asked Questions About Kepler-157
How many planets does Kepler-157 have?
Kepler-157 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-157 system habitable?
None of the known planets in Kepler-157 orbit within the star's habitable zone.
How far away is Kepler-157?
Kepler-157 is about 2,524 light-years from Earth in the constellation Lyra.
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