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Exoplanet TOI 5389 A b
Exoplanet TOI 5389 A b orbits star TOI 5389 A that lies 636 light years away from the Sun.
It weighs about 21617.676 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
636 light years
636 light years
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TOI 5389 A b
Exoplanet, brown dwarf
Star: TOI 5389 A
Distance from the star: 0.0739 AU
Orbit around star: 10.40046 days
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Orbital period
Orbital period of exoplanet TOI 5389 A b around its star is 10.40046 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Eccentricity: 0.096Basic characteristic
Mass: 21617.676 M Earth
| 68.0229 M Jupiter
Exoplanet mass
Exoplanet TOI 5389 A b has 21617.676 Earth masses (or 68.0229 Jupiter masses).
The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history...
More about Exoplanet mass in StellarGuide
Size: 22.642 R Earth | 2 R Jupiter
Density: 10268 kg/m3 | 186.25 % Earth
Year of discovery: 2025
Other designations of this exoplanet
TIC 39143128 b
TIC 39143128 b
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TOI 5389 system structure
Exoplanet TOI 5389 A b orbits star TOI 5389 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 5389 A | ||||||||
| TOI 5389 A b | 0.07 AU | 21617.7 M⊕ | 22.6 R⊕ | 10.4 days | |||||
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TOI 5389 B | 2447 AU | |||||||
Comparison
When comparing to the Solar system planets, TOI 5389 A b has % of mass of and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 393048.65 | 26524.76 | 21617.68 | 196524.33 | 68.02 | 227.08 | 1480.66 | 1256.84 |
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Size | 59.13 | 23.83 | 22.64 | 42.72 | 2.02 | 2.49 | 5.66 | 5.96 |
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Density | 1.9 | 1.96 | 1.86 | 2.52 | 8.25 | 14.74 | 8.16 | 5.94 |
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Distance | 0.19 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 410.7 - 591.6 AU
The planet is too hot to sustain liquid water.