The Kepler-120 System
2 planets
Lyra
Kepler-120 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 1,268 light-years from Earth.
Size Comparison: The Planets of Kepler-120
Kepler-120: Star and Habitable Zone
Kepler-120
- Surface temperature
- 4,096 K (Sun: 5,772 K)
- Radius
- 0.53 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-120: 0.217–0.547 AU (conservative: 0.275–0.519 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-120 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-120 b | Mini Neptune | 6.3 d | 2.15 R⊕ | 0.27 | 2014 |
| Kepler-120 c | Super Earth | 13 d | 1.53 R⊕ | 0.33 | 2014 |
Discovery History
The first planet found here, Kepler-120 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-120 b (Transit)
- 2014 — Kepler-120 c (Transit)
Frequently Asked Questions About Kepler-120
How many planets does Kepler-120 have?
Kepler-120 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-120 system habitable?
None of the known planets in Kepler-120 orbit within the star's habitable zone.
How far away is Kepler-120?
Kepler-120 is about 1,268 light-years from Earth in the constellation Lyra.