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Exoplanet TOI 3984 A b
Exoplanet TOI 3984 A b orbits star TOI 3984 A that lies 355 light years away from the Sun.
It weighs about 44.507 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
355 light years
355 light years
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TOI 3984 A b
Exoplanet
Star: TOI 3984 A
Distance from the star: 0.041 AU
Orbit around star: 4.353326 days
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Orbital period
Orbital period of exoplanet TOI 3984 A b around its star is 4.353326 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: 0.04Basic characteristic
Mass: 44.507 M Earth
| 0.1400 M Jupiter
Exoplanet mass
Exoplanet TOI 3984 A b has 44.507 Earth masses (or 0.1400 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: 7.958 R Earth | 0.7 R Jupiter
Density: 487 kg/m3 | 8.83 % Earth
Year of discovery: 2023 (transit)Advertisement
TOI 3984 system structure
Exoplanet TOI 3984 A b orbits star TOI 3984 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 3984 A | ||||||||
| TOI 3984 A b | 0.04 AU | 44.5 M⊕ | 8 R⊕ | 4.4 days | |||||
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TOI 3984 B | ||||||||
Comparison
When comparing to the Solar system planets, TOI 3984 A b has 47 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 809.22 | 54.61 | 44.51 | 404.61 | 0.14 | 0.47 | 3.05 | 2.59 |
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Size | 20.78 | 8.38 | 7.96 | 15.02 | 0.71 | 0.87 | 1.99 | 2.09 |
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Density | 0.09 | 0.09 | 0.09 | 0.12 | 0.39 | 0.7 | 0.39 | 0.28 |
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Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 229.4 - 330.4 AU
The planet is too hot to sustain liquid water.