The K2-8 System
K2-8 is a planetary system in the constellation Leo hosting 2 confirmed exoplanets, about 1,316 light-years from Earth.
Size Comparison: The Planets of K2-8
K2-8: Star and Habitable Zone
K2-8
- Spectral type
- K3 V
- Surface temperature
- 4,870 K (Sun: 5,772 K)
- Mass
- 0.78 M☉
- Radius
- 0.74 R☉
Habitable zone of K2-8: 0.414–1.007 AU (conservative: 0.525–0.955 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 K2-8 System
Discovery History
The first planet found here, K2-8 b, was discovered in 2015 using the transit method. The most recent addition, K2-8 c, followed in 2016.
Frequently Asked Questions About K2-8
How many planets does K2-8 have?
K2-8 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-8 system habitable?
None of the known planets in K2-8 orbit within the star's habitable zone.
How far away is K2-8?
K2-8 is about 1,316 light-years from Earth in the constellation Leo.
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