The TOI-238 System
TOI-238 is a planetary system in the constellation Aquarius hosting 2 confirmed exoplanets, about 263 light-years from Earth.
Size Comparison: The Planets of TOI-238
TOI-238: Star and Habitable Zone
TOI-238
- Spectral type
- K2 V
- Surface temperature
- 5,059 K (Sun: 5,772 K)
- Mass
- 0.78 M☉
- Radius
- 0.76 R☉
- Age
- 7.9 billion years (Sun: 4.6)
Habitable zone of TOI-238: 0.453–1.092 AU (conservative: 0.573–1.035 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 TOI-238 System
Discovery History
The first planet found here, TOI-238 b, was discovered in 2024 using the transit method.
Frequently Asked Questions About TOI-238
How many planets does TOI-238 have?
TOI-238 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-238 system habitable?
None of the known planets in TOI-238 orbit within the star's habitable zone.
How far away is TOI-238?
TOI-238 is about 263 light-years from Earth in the constellation Aquarius.
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