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The TOI-700 System

4 planets Dorado

TOI-700 is a planetary system in the constellation Dorado hosting 4 confirmed exoplanets, about 102 light-years from Earth.

Size Comparison: The Planets of TOI-700

Earth1.00 R⊕b0.96 R⊕c2.54 R⊕d1.15 R⊕e0.92 R⊕
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TOI-700: Star and Habitable Zone

TOI-700

Mass
0.42 M☉
Radius
0.41 R☉

All 4 Planets in the TOI-700 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-700 bTerrestrial10.0 d0.96 R⊕0.532020
TOI-700 cMini Neptune16 d2.54 R⊕0.552020
TOI-700 dTerrestrial37 d1.15 R⊕0.942020
TOI-700 eTerrestrial28 d0.92 R⊕0.912023

Discovery History

The first planet found here, TOI-700 b, was discovered in 2020 using the transit method. The most recent addition, TOI-700 e, followed in 2023.

Frequently Asked Questions About TOI-700

How many planets does TOI-700 have?

TOI-700 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-700 system habitable?

None of the known planets in TOI-700 orbit within the star's habitable zone.

How far away is TOI-700?

TOI-700 is about 102 light-years from Earth in the constellation Dorado.

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