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Exoplanet TOI 4342 b
Exoplanet TOI 4342 b orbits star TOI 4342 that lies 201 light years away from the Sun.
It weighs about 7.3 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
201 light years
201 light years
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TOI 4342 b
Exoplanet, sub-neptune
Star: TOI 4342
Distance from the star: 0.05251 AU
Orbit around star: 5.538259 days
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Orbital period
Orbital period of exoplanet TOI 4342 b around its star is 5.538259 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: 7.3 M Earth
Exoplanet mass
Exoplanet TOI 4342 b has 7.3 Earth masses, or 0.5 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: 2.329 R Earth | 0.2 R Jupiter
Density: 3186 kg/m3 | 57.79 % Earth
Temperature: 633 K | 359.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
TIC 354944123 b
TIC 354944123 b
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TOI 4342 system structure
Exoplanet TOI 4342 b orbits star TOI 4342, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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|
TOI 4342 | ||||||||
| TOI 4342 b | 0.05 AU | 7.3 M⊕ | 2.3 R⊕ | 5.5 days | |||||
| TOI 4342 c | 0.08 AU | 4.8 M⊕ | 2.3 R⊕ | 10.7 days | |||||
| TOI 4342 d unconfirmed |
0.22 AU | 17.8 M⊕ | 47.5 days | ||||||
Comparison
When comparing to the Solar system planets, TOI 4342 b has 50 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 132.73 | 8.96 | 7.3 | 66.36 | 0.02 | 0.08 | 0.5 | 0.42 |
|
Size | 6.08 | 2.45 | 2.33 | 4.39 | 0.21 | 0.26 | 0.58 | 0.61 |
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Density | 0.59 | 0.61 | 0.58 | 0.78 | 2.56 | 4.57 | 2.53 | 1.84 |
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Distance | 0.13 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 1.44 | 0.86 | 2.2 | 3.04 | 3.88 | 4.76 | 8.12 | 8.79 |
Habitability
Habitable zone of the star: 0.38 - 0.55 AU
The planet is too hot to sustain liquid water.
News from this star system
06. 01 2023
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