The Kepler-333 System
Kepler-333 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets around 2 stars, about 1,058 light-years from Earth.
Size Comparison: The Planets of Kepler-333
Star Kepler-333 and Its Habitable Zone
Kepler-333
- Surface temperature
- 4,259 K (Sun: 5,772 K)
- Radius
- 0.53 R☉
Habitable zone of Kepler-333: 0.234–0.584 AU (conservative: 0.296–0.554 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-333 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-333 b | Super Earth | 13 d | 1.32 R⊕ | 0.37 | 2014 |
| Kepler-333 c | Terrestrial | 24 d | 1.11 R⊕ | 0.48 | 2014 |
Discovery History
The first planet found here, Kepler-333 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-333 b (Transit)
- 2014 — Kepler-333 c (Transit)
Frequently Asked Questions About Kepler-333
How many planets does Kepler-333 have?
Kepler-333 has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-333 system habitable?
None of the known planets in Kepler-333 orbit within the star's habitable zone.
How far away is Kepler-333?
Kepler-333 is about 1,058 light-years from Earth in the constellation Cygnus.
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