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The TOI-6109 System

2 planets Perseus

TOI-6109 is a planetary system in the constellation Perseus hosting 2 confirmed exoplanets, about 495 light-years from Earth.

Size Comparison: The Planets of TOI-6109

Earth1.00 R⊕b4.87 R⊕c4.83 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

TOI-6109: Star and Habitable Zone

TOI-6109

Spectral type
G3
Surface temperature
5,660 K (Sun: 5,772 K)
Mass
1.03 M☉
Radius
1.02 R☉
Luminosity
0.8820 L☉
Age
0.1 billion years (Sun: 4.6)
TOI-6109 b TOI-6109 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of TOI-6109: 0.710–1.678 AU (conservative: 0.899–1.591 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-6109 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-6109 bNeptune-like5.7 d4.87 R⊕2025
TOI-6109 cNeptune-like8.5 d4.83 R⊕2025

Discovery History

The first planet found here, TOI-6109 b, was discovered in 2025 using the transit method.

Frequently Asked Questions About TOI-6109

How many planets does TOI-6109 have?

TOI-6109 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-6109 system habitable?

None of the known planets in TOI-6109 orbit within the star's habitable zone.

How far away is TOI-6109?

TOI-6109 is about 495 light-years from Earth in the constellation Perseus.

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