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The TOI-5126 System

2 planets Leo

TOI-5126 is a planetary system in the constellation Leo hosting 2 confirmed exoplanets, about 523 light-years from Earth.

Size Comparison: The Planets of TOI-5126

Earth1.00 R⊕b4.74 R⊕c3.86 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

TOI-5126: Star and Habitable Zone

TOI-5126

Spectral type
F V
Surface temperature
6,150 K (Sun: 5,772 K)
Mass
1.24 M☉
Radius
1.24 R☉
Luminosity
1.9900 L☉
Age
0.8 billion years (Sun: 4.6)
TOI-5126 b TOI-5126 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of TOI-5126: 1.035–2.417 AU (conservative: 1.311–2.292 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-5126 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-5126 bNeptune-like5.5 d4.74 R⊕0.162023
TOI-5126 cSub Neptune18 d3.86 R⊕0.192023

Discovery History

The first planet found here, TOI-5126 b, was discovered in 2023 using the transit method.

Frequently Asked Questions About TOI-5126

How many planets does TOI-5126 have?

TOI-5126 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-5126 system habitable?

None of the known planets in TOI-5126 orbit within the star's habitable zone.

How far away is TOI-5126?

TOI-5126 is about 523 light-years from Earth in the constellation Leo.

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