The TOI-237 System
TOI-237 is a planetary system in the constellation Sculptor hosting 2 confirmed exoplanets, about 124 light-years from Earth.
Size Comparison: The Planets of TOI-237
TOI-237: Star and Habitable Zone
TOI-237
- Spectral type
- M4.5 V
- Surface temperature
- 3,212 K (Sun: 5,772 K)
- Mass
- 0.18 M☉
- Radius
- 0.21 R☉
- Luminosity
- 0.0041 L☉
- Age
- 4.5 billion years (Sun: 4.6)
Habitable zone of TOI-237: 0.053–0.138 AU (conservative: 0.067–0.131 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-237 System
Discovery History
The first planet found here, TOI-237 b, was discovered in 2020 using the transit method. The most recent addition, TOI-237 c, followed in 2026.
Frequently Asked Questions About TOI-237
How many planets does TOI-237 have?
TOI-237 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-237 system habitable?
None of the known planets in TOI-237 orbit within the star's habitable zone.
How far away is TOI-237?
TOI-237 is about 124 light-years from Earth in the constellation Sculptor.
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