The Kepler-133 System
Kepler-133 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,132 light-years from Earth.
Size Comparison: The Planets of Kepler-133
Kepler-133: Star and Habitable Zone
Kepler-133
- Surface temperature
- 5,736 K (Sun: 5,772 K)
- Radius
- 1.43 R☉
Habitable zone of Kepler-133: 1.057–2.492 AU (conservative: 1.338–2.363 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-133 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-133 b | Super Earth | 8.1 d | 1.76 R⊕ | 0.27 | 2014 |
| Kepler-133 c | Mini Neptune | 32 d | 2.84 R⊕ | 0.24 | 2014 |
Discovery History
The first planet found here, Kepler-133 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-133 b (Transit)
- 2014 — Kepler-133 c (Transit)
Frequently Asked Questions About Kepler-133
How many planets does Kepler-133 have?
Kepler-133 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-133 system habitable?
None of the known planets in Kepler-133 orbit within the star's habitable zone.
How far away is Kepler-133?
Kepler-133 is about 2,132 light-years from Earth in the constellation Cygnus.
Explore the Kepler-133 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
