The K2-233 System
K2-233 is a planetary system in the constellation Libra hosting 3 confirmed exoplanets, about 220 light-years from Earth.
Size Comparison: The Planets of K2-233
K2-233: Star and Habitable Zone
K2-233
- Spectral type
- K3
- Surface temperature
- 4,796 K (Sun: 5,772 K)
- Mass
- 0.79 M☉
- Radius
- 0.71 R☉
- Age
- 0.4 billion years (Sun: 4.6)
Habitable zone of K2-233: 0.387–0.943 AU (conservative: 0.490–0.894 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 3 Planets in the K2-233 System
Discovery History
The first planet found here, K2-233 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-233
How many planets does K2-233 have?
K2-233 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the K2-233 system habitable?
None of the known planets in K2-233 orbit within the star's habitable zone.
How far away is K2-233?
K2-233 is about 220 light-years from Earth in the constellation Libra.
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