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
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)
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
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-6109 b | Neptune-like | 5.7 d | 4.87 R⊕ | — | 2025 |
| TOI-6109 c | Neptune-like | 8.5 d | 4.83 R⊕ | — | 2025 |
Discovery History
The first planet found here, TOI-6109 b, was discovered in 2025 using the transit method.
- 2025 — TOI-6109 b (Transit)
- 2025 — TOI-6109 c (Transit)
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.