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Exoplanet TOI 518 b
Exoplanet TOI 518 b orbits star TOI 518 that lies 517 light years away from the Sun.
It weighs about 6.7 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
517 light years
517 light years
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TOI 518 b
Exoplanet, sub-neptune
Star: TOI 518
Distance from the star: 0.227 AU
Orbit around star: 17.87712 days
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Orbital period
Orbital period of exoplanet TOI 518 b around its star is 17.87712 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: 6.7 M Earth
Exoplanet mass
Exoplanet TOI 518 b has 6.7 Earth masses, or 0.46 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: 2.77 R Earth | 0.2 R Jupiter
Density: 1738 kg/m3 | 31.53 % Earth
Temperature: 598 K | 324.85 °CAdvertisement
Comparison
When comparing to the Solar system planets, TOI 518 b has 46 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 121.82 | 8.22 | 6.7 | 60.91 | 0.02 | 0.07 | 0.46 | 0.39 |
|
Size | 7.23 | 2.92 | 2.77 | 5.23 | 0.25 | 0.3 | 0.69 | 0.73 |
|
Density | 0.32 | 0.33 | 0.32 | 0.43 | 1.4 | 2.5 | 1.38 | 1.01 |
|
Distance | 0.58 | 0.31 | 0.23 | 0.15 | 0.04 | 0.02 | 0.01 | 0.01 |
|
Temperature | 1.36 | 0.81 | 2.08 | 2.88 | 3.67 | 4.5 | 7.67 | 8.31 |
Habitability
Habitable zone of the star: 0.88 - 1.3 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 1738 kg/m3 points to a hot gas planet.