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Exoplanet TOI 757 b
Exoplanet TOI 757 b orbits star TOI 757 that lies 197 light years away from the Sun.
It weighs about 10.5 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
197 light years
197 light years
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TOI 757 b
Exoplanet, sub-neptune
Star: TOI 757
Distance from the star: 0.122 AU
Orbit around star: 17.46819 days
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Orbital period
Orbital period of exoplanet TOI 757 b around its star is 17.46819 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: 0.39Basic characteristic
Mass: 10.5 M Earth
Exoplanet mass
Exoplanet TOI 757 b has 10.5 Earth masses, or 0.72 times the mass of Uranus.
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: 2.5 R Earth | 0.2 R Jupiter
Density: 3705 kg/m3 | 67.20 % Earth
Temperature: 641 K | 367.85 °C
Year of discovery: 2024 (transit)
Other designations of this exoplanet
CD −34 8236 b, 2MASS J12315870−3533177 b, TYC 7242−01598−1 b, UCAC4 273−064695 b, WISE J123158.74−353316.5 b
CD −34 8236 b, 2MASS J12315870−3533177 b, TYC 7242−01598−1 b, UCAC4 273−064695 b, WISE J123158.74−353316.5 b
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Comparison
When comparing to the Solar system planets, TOI 757 b has 72 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 190.91 | 12.88 | 10.5 | 95.45 | 0.03 | 0.11 | 0.72 | 0.61 |
|
Size | 6.53 | 2.63 | 2.5 | 4.72 | 0.22 | 0.27 | 0.63 | 0.66 |
|
Density | 0.69 | 0.71 | 0.67 | 0.91 | 2.98 | 5.32 | 2.95 | 2.14 |
|
Distance | 0.31 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 1.46 | 0.87 | 2.23 | 3.08 | 3.93 | 4.82 | 8.22 | 8.9 |
Habitability
Habitable zone of the star: 0.58 - 0.84 AU
The planet is too hot to sustain liquid water.