The K2-187 System
K2-187 is a planetary system in the constellation Cancer hosting 4 confirmed exoplanets, about 1,079 light-years from Earth.
Size Comparison: The Planets of K2-187
K2-187: Star and Habitable Zone
K2-187
- Surface temperature
- 5,438 K (Sun: 5,772 K)
- Radius
- 0.83 R☉
Habitable zone of K2-187: 0.563–1.339 AU (conservative: 0.713–1.270 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 4 Planets in the K2-187 System
Discovery History
The first planet found here, K2-187 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-187
How many planets does K2-187 have?
K2-187 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the K2-187 system habitable?
None of the known planets in K2-187 orbit within the star's habitable zone.
How far away is K2-187?
K2-187 is about 1,079 light-years from Earth in the constellation Cancer.
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