The TOI-1533 System
TOI-1533 is a planetary system in the constellation Cassiopeia hosting 2 confirmed exoplanets, about 326 light-years from Earth.
Size Comparison: The Planets of TOI-1533
TOI-1533: Star and Habitable Zone
TOI-1533
- Surface temperature
- 5,146 K (Sun: 5,772 K)
- Mass
- 0.88 M☉
- Radius
- 0.85 R☉
- Luminosity
- 0.4500 L☉
- Age
- 6.9 billion years (Sun: 4.6)
Habitable zone of TOI-1533: 0.522–1.254 AU (conservative: 0.661–1.189 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-1533 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1533 b | Super Earth | 3.6 d | 2.89 R⊕ | — | 2026 |
| TOI-1533 c | Hot Jupiter | 8.1 d | 7.50 R⊕ | — | 2026 |
Discovery History
The first planet found here, TOI-1533 b, was discovered in 2026 using the transit method.
- 2026 — TOI-1533 b (Transit)
- 2026 — TOI-1533 c (Transit)
Frequently Asked Questions About TOI-1533
How many planets does TOI-1533 have?
TOI-1533 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1533 system habitable?
None of the known planets in TOI-1533 orbit within the star's habitable zone.
How far away is TOI-1533?
TOI-1533 is about 326 light-years from Earth in the constellation Cassiopeia.
Explore the TOI-1533 system in the app
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