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The TOI-1246 System

4 planets Draco

TOI-1246 is a planetary system in the constellation Draco hosting 4 confirmed exoplanets, about 553 light-years from Earth.

Size Comparison: The Planets of TOI-1246

Earth1.00 R⊕b3.01 R⊕c2.45 R⊕d3.43 R⊕e3.51 R⊕
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TOI-1246: Star and Habitable Zone

TOI-1246

Spectral type
K V
Surface temperature
5,151 K (Sun: 5,772 K)
Mass
0.87 M☉
Radius
0.86 R☉
TOI-1246 b TOI-1246 c TOI-1246 d TOI-1246 e
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of TOI-1246: 0.531–1.277 AU (conservative: 0.673–1.211 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 4 Planets in the TOI-1246 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-1246 bSub Neptune4.3 d3.01 R⊕0.222022
TOI-1246 cSuper Earth5.9 d2.45 R⊕0.242022
TOI-1246 dPuffy Planet19 d3.43 R⊕0.232022
TOI-1246 eSub Neptune38 d3.51 R⊕0.282022

Discovery History

The first planet found here, TOI-1246 b, was discovered in 2022 using the transit method.

Frequently Asked Questions About TOI-1246

How many planets does TOI-1246 have?

TOI-1246 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-1246 system habitable?

None of the known planets in TOI-1246 orbit within the star's habitable zone.

How far away is TOI-1246?

TOI-1246 is about 553 light-years from Earth in the constellation Draco.

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