The TOI-406 System
TOI-406 is a planetary system in the constellation Eridanus hosting 2 confirmed exoplanets, about 101 light-years from Earth.
Size Comparison: The Planets of TOI-406
TOI-406: Star and Habitable Zone
TOI-406
- Spectral type
- M3
- Surface temperature
- 3,392 K (Sun: 5,772 K)
- Mass
- 0.41 M☉
- Radius
- 0.41 R☉
- Luminosity
- 0.0193 L☉
Habitable zone of TOI-406: 0.114–0.297 AU (conservative: 0.144–0.281 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-406 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-406.01 | Super Earth | 13 d | 2.08 R⊕ | — | 2024 |
| TOI-406 c | Super Earth | 3.3 d | 1.32 R⊕ | — | 2024 |
Discovery History
The first planet found here, TOI-406.01, was discovered in 2024 using the transit method.
- 2024 — TOI-406.01 (Transit)
- 2024 — TOI-406 c (Transit)
Frequently Asked Questions About TOI-406
How many planets does TOI-406 have?
TOI-406 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-406 system habitable?
None of the known planets in TOI-406 orbit within the star's habitable zone.
How far away is TOI-406?
TOI-406 is about 101 light-years from Earth in the constellation Eridanus.
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