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Exoplanet TOI 4940 b
Exoplanet TOI 4940 b orbits star TOI 4940 that lies 1140 light years away from the Sun.
It weighs about 89 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
1140 light years
1140 light years
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TOI 4940 b
Exoplanet
Star: TOI 4940
Distance from the star: 0.165 AU
Orbit around star: 25.86781 days
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Orbital period
Orbital period of exoplanet TOI 4940 b around its star is 25.86781 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
Basic characteristic
Mass: 89 M Earth
| 0.2801 M Jupiter
Exoplanet mass
Exoplanet TOI 4940 b has 89 Earth masses (or 0.2801 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: 6.61 R Earth | 0.6 R Jupiter
Density: 1699 kg/m3 | 30.82 % Earth
Temperature: 643 K | 369.85 °C
Year of discovery: 2025 (transit)
Other designations of this exoplanet
TOI-4940 b, TOI-4940 b
TOI-4940 b, TOI-4940 b
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TOI 4940 system structure
Exoplanet TOI 4940 b orbits star TOI 4940, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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TOI 4940 | ||||||||
| TOI 4940 b | 0.17 AU | 89 M⊕ | 6.6 R⊕ | 25.9 days | |||||
Comparison
When comparing to the Solar system planets, TOI 4940 b has 93 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 1618.18 | 109.2 | 89 | 809.09 | 0.28 | 0.93 | 6.1 | 5.17 |
|
Size | 17.26 | 6.96 | 6.61 | 12.47 | 0.59 | 0.73 | 1.65 | 1.74 |
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Density | 0.31 | 0.32 | 0.31 | 0.42 | 1.37 | 2.44 | 1.35 | 0.98 |
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Distance | 0.42 | 0.23 | 0.17 | 0.11 | 0.03 | 0.02 | 0.01 | 0.01 |
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Temperature | 1.46 | 0.87 | 2.23 | 3.09 | 3.94 | 4.83 | 8.24 | 8.93 |
Habitability
Habitable zone of the star: 1.1 - 1.7 AU
The planet is too hot to sustain liquid water.