The TOI-375 System
3 planets
Hydrus
TOI-375 is a planetary system in the constellation Hydrus hosting 3 confirmed exoplanets, about 1,292 light-years from Earth.
Size Comparison: The Planets of TOI-375
Planets without a measured radius are not shown.
TOI-375: Star and Habitable Zone
TOI-375
- Surface temperature
- 5,260 K (Sun: 5,772 K)
- Mass
- 1.44 M☉
- Radius
- 2.90 R☉
- Luminosity
- 5.7540 L☉
- Age
- 2.9 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of TOI-375: 1.854–4.440 AU (conservative: 2.349–4.209 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-375 System
Discovery History
The first planet found here, TOI-375 b, was discovered in 2026 using the transit method.
Frequently Asked Questions About TOI-375
How many planets does TOI-375 have?
TOI-375 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-375 system habitable?
None of the known planets in TOI-375 orbit within the star's habitable zone.
How far away is TOI-375?
TOI-375 is about 1,292 light-years from Earth in the constellation Hydrus.