The K2-243 System
K2-243 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 870 light-years from Earth.
Size Comparison: The Planets of K2-243
K2-243: Star and Habitable Zone
K2-243
- Surface temperature
- 6,570 K (Sun: 5,772 K)
- Mass
- 1.29 M☉
- Radius
- 1.39 R☉
Habitable zone of K2-243: 1.286–2.982 AU (conservative: 1.629–2.827 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 K2-243 System
Discovery History
The first planet found here, K2-243 b, was discovered in 2018 using the transit method.
Frequently Asked Questions About K2-243
How many planets does K2-243 have?
K2-243 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-243 system habitable?
None of the known planets in K2-243 orbit within the star's habitable zone.
How far away is K2-243?
K2-243 is about 870 light-years from Earth in the constellation Virgo.
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