The K2-38 System
2 planets
Scorpius
K2-38 is a planetary system in the constellation Scorpius hosting 2 confirmed exoplanets, about 629 light-years from Earth.
Size Comparison: The Planets of K2-38
K2-38: Star and Habitable Zone
K2-38
- Spectral type
- G2 V
- Surface temperature
- 5,731 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.06 R☉
- Luminosity
- 1.0900 L☉
- Age
- 6.7 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of K2-38: 0.786–1.853 AU (conservative: 0.995–1.757 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 K2-38 System
Discovery History
The first planet found here, K2-38 b, was discovered in 2016 using the transit method.
Frequently Asked Questions About K2-38
How many planets does K2-38 have?
K2-38 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-38 system habitable?
None of the known planets in K2-38 orbit within the star's habitable zone.
How far away is K2-38?
K2-38 is about 629 light-years from Earth in the constellation Scorpius.