The K2-155 System
K2-155 is a planetary system in the constellation Taurus hosting 3 confirmed exoplanets, about 237 light-years from Earth.
Size Comparison: The Planets of K2-155
K2-155: Star and Habitable Zone
K2-155
- Surface temperature
- 4,258 K (Sun: 5,772 K)
- Mass
- 0.65 M☉
- Radius
- 0.58 R☉
Habitable zone of K2-155: 0.254–0.634 AU (conservative: 0.322–0.601 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 K2-155 System
Discovery History
The first planet found here, K2-155 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-155
How many planets does K2-155 have?
K2-155 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the K2-155 system habitable?
None of the known planets in K2-155 orbit within the star's habitable zone.
How far away is K2-155?
K2-155 is about 237 light-years from Earth in the constellation Taurus.
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