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The TOI-5489 System

2 planets Cancer

TOI-5489 is a planetary system in the constellation Cancer hosting 2 confirmed exoplanets, about 147 light-years from Earth.

Size Comparison: The Planets of TOI-5489

Earth1.00 R⊕b1.40 R⊕c1.28 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

TOI-5489: Star and Habitable Zone

TOI-5489

Surface temperature
3,547 K (Sun: 5,772 K)
Mass
0.41 M☉
Radius
0.42 R☉
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of TOI-5489: 0.129–0.335 AU (conservative: 0.164–0.318 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-5489 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-5489 bSuper Earth3.2 d1.40 R⊕2025
TOI-5489 cSuper Earth4.9 d1.28 R⊕2025

Discovery History

The first planet found here, TOI-5489 b, was discovered in 2025 using the transit method.

Frequently Asked Questions About TOI-5489

How many planets does TOI-5489 have?

TOI-5489 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-5489 system habitable?

None of the known planets in TOI-5489 orbit within the star's habitable zone.

How far away is TOI-5489?

TOI-5489 is about 147 light-years from Earth in the constellation Cancer.

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