The K2-58 System
3 planets
Aquarius
K2-58 is a planetary system in the constellation Aquarius hosting 3 confirmed exoplanets, about 593 light-years from Earth.
Size Comparison: The Planets of K2-58
K2-58: Star and Habitable Zone
K2-58
- Surface temperature
- 5,413 K (Sun: 5,772 K)
- Mass
- 0.89 M☉
- Radius
- 0.86 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of K2-58: 0.579–1.378 AU (conservative: 0.733–1.307 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 3 Planets in the K2-58 System
Discovery History
The first planet found here, K2-58 b, was discovered in 2016 using the transit method.
Frequently Asked Questions About K2-58
How many planets does K2-58 have?
K2-58 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the K2-58 system habitable?
None of the known planets in K2-58 orbit within the star's habitable zone.
How far away is K2-58?
K2-58 is about 593 light-years from Earth in the constellation Aquarius.