The Kepler-125 System
2 planets
Cygnus
Kepler-125 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 598 light-years from Earth.
Size Comparison: The Planets of Kepler-125
Kepler-125: Star and Habitable Zone
Kepler-125
- Surface temperature
- 3,810 K (Sun: 5,772 K)
- Radius
- 0.51 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-125: 0.181–0.463 AU (conservative: 0.230–0.439 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-125 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-125 b | Mini Neptune | 4.2 d | 2.37 R⊕ | 0.28 | 2014 |
| Kepler-125 c | Terrestrial | 5.8 d | 0.74 R⊕ | 0.36 | 2014 |
Discovery History
The first planet found here, Kepler-125 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-125 b (Transit)
- 2014 — Kepler-125 c (Transit)
Frequently Asked Questions About Kepler-125
How many planets does Kepler-125 have?
Kepler-125 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-125 system habitable?
None of the known planets in Kepler-125 orbit within the star's habitable zone.
How far away is Kepler-125?
Kepler-125 is about 598 light-years from Earth in the constellation Cygnus.