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Exoplanet TOI 4308 b
Exoplanet TOI 4308 b orbits star TOI 4308 that lies 355 light years away from the Sun.
It weighs about 6.45 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 4308 b
Exoplanet, sub-neptune
Star: TOI 4308
Orbit around star: 9.151201 days
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Orbital period
Orbital period of exoplanet TOI 4308 b around its star is 9.151201 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: 6.45 M Earth
Exoplanet mass
Exoplanet TOI 4308 b has 6.45 Earth masses, or 0.44 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: 2.42 R Earth | 0.2 R Jupiter
Density: 2509 kg/m3 | 45.51 % Earth
Temperature: 763 K | 489.85 °C
Year of discovery: 2019 (transit)Advertisement
TOI 4308 system structure
Exoplanet TOI 4308 b orbits star TOI 4308, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 4308 | ||||||||
| TOI 4308 b | n/a | 6.5 M⊕ | 2.4 R⊕ | 9.2 days | |||||
Comparison
When comparing to the Solar system planets, TOI 4308 b has 44 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 117.27 | 7.91 | 6.45 | 58.64 | 0.02 | 0.07 | 0.44 | 0.38 |
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Size | 6.32 | 2.55 | 2.42 | 4.57 | 0.22 | 0.27 | 0.61 | 0.64 |
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Density | 0.46 | 0.48 | 0.46 | 0.62 | 2.02 | 3.6 | 1.99 | 1.45 |
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Temperature | 1.73 | 1.04 | 2.65 | 3.67 | 4.68 | 5.74 | 9.78 | 10.6 |