The K2-266 System
K2-266 is a planetary system in the constellation Sextans hosting 4 confirmed exoplanets around 2 stars, about 253 light-years from Earth.
Size Comparison: The Planets of K2-266
Star K2-266 and Its Habitable Zone
K2-266
- Surface temperature
- 4,285 K (Sun: 5,772 K)
- Mass
- 0.69 M☉
- Radius
- 0.70 R☉
- Luminosity
- 0.1502 L☉
Habitable zone of K2-266: 0.312–0.779 AU (conservative: 0.395–0.738 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 K2-266 System
Discovery History
The first planet found here, K2-266 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-266
How many planets does K2-266 have?
K2-266 has 4 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the K2-266 system habitable?
None of the known planets in K2-266 orbit within the star's habitable zone.
How far away is K2-266?
K2-266 is about 253 light-years from Earth in the constellation Sextans.
Explore the K2-266 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.
