The TOI-756 System
2 planets
Centaurus
TOI-756 is a planetary system in the constellation Centaurus hosting 2 confirmed exoplanets, about 281 light-years from Earth.
Size Comparison: The Planets of TOI-756
Planets without a measured radius are not shown.
TOI-756: Star and Habitable Zone
TOI-756
- Spectral type
- M1 V
- Surface temperature
- 3,657 K (Sun: 5,772 K)
- Mass
- 0.51 M☉
- Radius
- 0.51 R☉
- Luminosity
- 0.0410 L☉
- Age
- 3.2 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of TOI-756: 0.165–0.426 AU (conservative: 0.209–0.403 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-756 System
Discovery History
The first planet found here, TOI-756 b, was discovered in 2025 using the transit method.
Frequently Asked Questions About TOI-756
How many planets does TOI-756 have?
TOI-756 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-756 system habitable?
None of the known planets in TOI-756 orbit within the star's habitable zone.
How far away is TOI-756?
TOI-756 is about 281 light-years from Earth in the constellation Centaurus.