The K2-146 System
K2-146 is a planetary system in the constellation Cancer hosting 2 confirmed exoplanets, about 259 light-years from Earth.
Size Comparison: The Planets of K2-146
K2-146: Star and Habitable Zone
K2-146
- Surface temperature
- 3,385 K (Sun: 5,772 K)
- Mass
- 0.33 M☉
- Radius
- 0.33 R☉
- Age
- 5.0 billion years (Sun: 4.6)
Habitable zone of K2-146: 0.093–0.242 AU (conservative: 0.117–0.230 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 K2-146 System
Discovery History
The first planet found here, K2-146 b, was discovered in 2018 using the transit method. The most recent addition, K2-146 c, followed in 2019.
Frequently Asked Questions About K2-146
How many planets does K2-146 have?
K2-146 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-146 system habitable?
None of the known planets in K2-146 orbit within the star's habitable zone.
How far away is K2-146?
K2-146 is about 259 light-years from Earth in the constellation Cancer.
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