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Exoplanet TOI 2458 b
Exoplanet TOI 2458 b orbits star TOI 2458 that lies 363 light years away from the Sun.
It weighs about 13.31 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
363 light years
363 light years
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TOI 2458 b
Exoplanet, sub-neptune
Star: TOI 2458
Distance from the star: 0.0482 AU
Orbit around star: 3.73659 days
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Orbital period
Orbital period of exoplanet TOI 2458 b around its star is 3.73659 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: 0.087Basic characteristic
Mass: 13.31 M Earth
Exoplanet mass
Exoplanet TOI 2458 b has 13.31 Earth masses, or 0.91 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: 2.83 R Earth | 0.3 R Jupiter
Density: 3238 kg/m3 | 58.73 % Earth
Year of discovery: 2024 (transit)
Other designations of this exoplanet
HD 34562 b, TIC 449197831 b, TYC 0100-00856-1 b, 2MASS J05182917+0115139 b
HD 34562 b, TIC 449197831 b, TYC 0100-00856-1 b, 2MASS J05182917+0115139 b
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TOI 2458 system structure
Exoplanet TOI 2458 b orbits star TOI 2458, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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TOI 2458 | ||||||||
| TOI 2458 c | n/a | 10.2 M⊕ | 16.6 days | ||||||
| TOI 2458 b | 0.05 AU | 13.3 M⊕ | 2.8 R⊕ | 3.7 days | |||||
Comparison
When comparing to the Solar system planets, TOI 2458 b has 91 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 242 | 16.33 | 13.31 | 121 | 0.04 | 0.14 | 0.91 | 0.77 |
|
Size | 7.39 | 2.98 | 2.83 | 5.34 | 0.25 | 0.31 | 0.71 | 0.74 |
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Density | 0.6 | 0.62 | 0.59 | 0.79 | 2.6 | 4.65 | 2.57 | 1.87 |
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Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 1.3 - 1.9 AU
The planet is too hot to sustain liquid water.