The TOI-4443 System
TOI-4443 is a planetary system in the constellation Hercules hosting 2 confirmed exoplanets, about 183 light-years from Earth.
Size Comparison: The Planets of TOI-4443
TOI-4443: Star and Habitable Zone
TOI-4443
- Surface temperature
- 5,834 K (Sun: 5,772 K)
- Mass
- 1.05 M☉
- Radius
- 1.02 R☉
- Luminosity
- 1.0802 L☉
Habitable zone of TOI-4443: 0.777–1.829 AU (conservative: 0.985–1.734 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-4443 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-4443.01 | Lava World | 1.8 d | 1.72 R⊕ | — | 2024 |
| TOI-4443 c | Mini Neptune | 10 d | 2.22 R⊕ | — | 2026 |
Discovery History
The first planet found here, TOI-4443.01, was discovered in 2024 using the transit method. The most recent addition, TOI-4443 c, followed in 2026.
- 2024 — TOI-4443.01 (Transit)
- 2026 — TOI-4443 c (Transit)
Frequently Asked Questions About TOI-4443
How many planets does TOI-4443 have?
TOI-4443 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-4443 system habitable?
None of the known planets in TOI-4443 orbit within the star's habitable zone.
How far away is TOI-4443?
TOI-4443 is about 183 light-years from Earth in the constellation Hercules.
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