The TOI-431 System
TOI-431 is a planetary system in the constellation Lepus hosting 3 confirmed exoplanets, about 106 light-years from Earth.
Size Comparison: The Planets of TOI-431
Planets without a measured radius are not shown.
TOI-431: Star and Habitable Zone
TOI-431
- Surface temperature
- 4,850 K (Sun: 5,772 K)
- Mass
- 0.78 M☉
- Radius
- 0.73 R☉
Habitable zone of TOI-431: 0.406–0.988 AU (conservative: 0.515–0.937 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 TOI-431 System
Discovery History
The first planet found here, TOI-431 b, was discovered in 2021 using the transit method.
Frequently Asked Questions About TOI-431
How many planets does TOI-431 have?
TOI-431 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-431 system habitable?
None of the known planets in TOI-431 orbit within the star's habitable zone.
How far away is TOI-431?
TOI-431 is about 106 light-years from Earth in the constellation Lepus.
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