The K2-5 System
K2-5 is a planetary system in the constellation Leo hosting 2 confirmed exoplanets, about 662 light-years from Earth.
Size Comparison: The Planets of K2-5
K2-5: Star and Habitable Zone
K2-5
- Spectral type
- K7.5 V
- Surface temperature
- 3,930 K (Sun: 5,772 K)
- Mass
- 0.61 M☉
- Radius
- 0.57 R☉
Habitable zone of K2-5: 0.214–0.544 AU (conservative: 0.271–0.516 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 K2-5 System
Discovery History
The first planet found here, K2-5 b, was discovered in 2015 using the transit method.
Frequently Asked Questions About K2-5
How many planets does K2-5 have?
K2-5 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-5 system habitable?
None of the known planets in K2-5 orbit within the star's habitable zone.
How far away is K2-5?
K2-5 is about 662 light-years from Earth in the constellation Leo.
Explore the K2-5 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
