The Kepler-201 System
2 planets
Cygnus
Kepler-201 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,076 light-years from Earth.
Size Comparison: The Planets of Kepler-201
Kepler-201: Star and Habitable Zone
Kepler-201
- Surface temperature
- 6,065 K (Sun: 5,772 K)
- Radius
- 1.23 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-201: 0.999–2.337 AU (conservative: 1.265–2.215 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-201 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-201 b | Mini Neptune | 26 d | 2.46 R⊕ | 0.25 | 2014 |
| Kepler-201 c | Mini Neptune | 152 d | 2.85 R⊕ | 0.37 | 2014 |
Discovery History
The first planet found here, Kepler-201 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-201 b (Transit)
- 2014 — Kepler-201 c (Transit)
Frequently Asked Questions About Kepler-201
How many planets does Kepler-201 have?
Kepler-201 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-201 system habitable?
None of the known planets in Kepler-201 orbit within the star's habitable zone.
How far away is Kepler-201?
Kepler-201 is about 2,076 light-years from Earth in the constellation Cygnus.