The Kepler-520 System
2 planets
Cygnus
Kepler-520 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,035 light-years from Earth.
Size Comparison: The Planets of Kepler-520
Kepler-520: Star and Habitable Zone
Kepler-520
- Surface temperature
- 6,112 K (Sun: 5,772 K)
- Mass
- 1.10 M☉
- Radius
- 1.09 R☉
- Age
- 2.0 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-520: 0.897–2.096 AU (conservative: 1.136–1.988 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-520 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-520 b | Super Earth | 20 d | 1.66 R⊕ | 0.28 | 2016 |
| Kepler-520 c | Terrestrial | 5.2 d | 1.07 R⊕ | 0.29 | 2016 |
Discovery History
The first planet found here, Kepler-520 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-520 b (Transit)
- 2016 — Kepler-520 c (Transit)
Frequently Asked Questions About Kepler-520
How many planets does Kepler-520 have?
Kepler-520 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-520 system habitable?
None of the known planets in Kepler-520 orbit within the star's habitable zone.
How far away is Kepler-520?
Kepler-520 is about 2,035 light-years from Earth in the constellation Cygnus.