The K2-254 System
K2-254 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 743 light-years from Earth.
Size Comparison: The Planets of K2-254
K2-254: Star and Habitable Zone
K2-254
- Surface temperature
- 4,629 K (Sun: 5,772 K)
- Mass
- 0.71 M☉
- Radius
- 0.67 R☉
Habitable zone of K2-254: 0.342–0.841 AU (conservative: 0.434–0.797 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 K2-254 System
Discovery History
The first planet found here, K2-254 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-254
How many planets does K2-254 have?
K2-254 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-254 system habitable?
None of the known planets in K2-254 orbit within the star's habitable zone.
How far away is K2-254?
K2-254 is about 743 light-years from Earth in the constellation Virgo.
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