The TOI-1408 System
TOI-1408 is a planetary system in the constellation Cepheus hosting 2 confirmed exoplanets, about 455 light-years from Earth.
Size Comparison: The Planets of TOI-1408
TOI-1408: Star and Habitable Zone
TOI-1408
- Spectral type
- F8 V
- Surface temperature
- 6,117 K (Sun: 5,772 K)
- Mass
- 1.31 M☉
- Radius
- 1.53 R☉
- Luminosity
- 2.9600 L☉
- Age
- 2.7 billion years (Sun: 4.6)
Habitable zone of TOI-1408: 1.265–2.956 AU (conservative: 1.602–2.803 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-1408 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1408 b | Hot Jupiter | 4.4 d | 25.00 R⊕ | 0.06 | 2023 |
| TOI-1408 c | Super Earth | 2.2 d | 2.22 R⊕ | — | 2024 |
Discovery History
The first planet found here, TOI-1408 b, was discovered in 2023 using the transit method. The most recent addition, TOI-1408 c, followed in 2024.
- 2023 — TOI-1408 b (Transit)
- 2024 — TOI-1408 c (Transit Timing Variations)
Frequently Asked Questions About TOI-1408
How many planets does TOI-1408 have?
TOI-1408 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1408 system habitable?
None of the known planets in TOI-1408 orbit within the star's habitable zone.
How far away is TOI-1408?
TOI-1408 is about 455 light-years from Earth in the constellation Cepheus.
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