The TOI-451 System
3 planets
2 stars
Eridanus
TOI-451 is a planetary system in the constellation Eridanus hosting 3 confirmed exoplanets around 2 stars, about 404 light-years from Earth.
Size Comparison: The Planets of TOI-451
Star TOI-451 and Its Habitable Zone
TOI-451
- Spectral type
- G8 V
- Surface temperature
- 5,490 K (Sun: 5,772 K)
- Mass
- 0.93 M☉
- Radius
- 0.85 R☉
- Luminosity
- 0.5900 L☉
- Age
- 0.1 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of TOI-451: 0.586–1.393 AU (conservative: 0.743–1.321 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-451 System
Discovery History
The first planet found here, TOI-451 b, was discovered in 2020 using the transit method.
Frequently Asked Questions About TOI-451
How many planets does TOI-451 have?
TOI-451 has 3 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the TOI-451 system habitable?
None of the known planets in TOI-451 orbit within the star's habitable zone.
How far away is TOI-451?
TOI-451 is about 404 light-years from Earth in the constellation Eridanus.