The Kepler-233 System
Kepler-233 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,793 light-years from Earth.
Size Comparison: The Planets of Kepler-233
Kepler-233: Star and Habitable Zone
Kepler-233
- Surface temperature
- 5,360 K (Sun: 5,772 K)
- Radius
- 0.76 R☉
Habitable zone of Kepler-233: 0.502–1.197 AU (conservative: 0.635–1.134 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-233 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-233 b | Mini Neptune | 8.5 d | 2.43 R⊕ | 0.25 | 2014 |
| Kepler-233 c | Mini Neptune | 60 d | 2.71 R⊕ | 0.41 | 2014 |
Discovery History
The first planet found here, Kepler-233 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-233 b (Transit)
- 2014 — Kepler-233 c (Transit)
Frequently Asked Questions About Kepler-233
How many planets does Kepler-233 have?
Kepler-233 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-233 system habitable?
None of the known planets in Kepler-233 orbit within the star's habitable zone.
How far away is Kepler-233?
Kepler-233 is about 2,793 light-years from Earth in the constellation Cygnus.
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