The K2-111 System
2 planets
Taurus
K2-111 is a planetary system in the constellation Taurus hosting 2 confirmed exoplanets, about 654 light-years from Earth.
Size Comparison: The Planets of K2-111
Planets without a measured radius are not shown.
K2-111: Star and Habitable Zone
K2-111
- Spectral type
- G2
- Surface temperature
- 5,775 K (Sun: 5,772 K)
- Mass
- 0.84 M☉
- Radius
- 1.25 R☉
- Age
- 12.3 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of K2-111: 0.937–2.208 AU (conservative: 1.187–2.094 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 K2-111 System
Discovery History
The first planet found here, K2-111 b, was discovered in 2017 using the transit method. The most recent addition, K2-111 c, followed in 2020.
Frequently Asked Questions About K2-111
How many planets does K2-111 have?
K2-111 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-111 system habitable?
None of the known planets in K2-111 orbit within the star's habitable zone.
How far away is K2-111?
K2-111 is about 654 light-years from Earth in the constellation Taurus.