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Exoplanet TOI 1855 b
Exoplanet TOI 1855 b orbits star TOI 1855 that lies 576 light years away from the Sun.
It weighs about 360.189 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
576 light years
576 light years
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TOI 1855 b
Exoplanet, gas giant
Star: TOI 1855
Distance from the star: 0.02398 AU
Orbit around star: 1.364148 days
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Orbital period
Orbital period of exoplanet TOI 1855 b around its star is 1.364148 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: 0.033Basic characteristic
Mass: 360.189 M Earth
| 1.1334 M Jupiter
Exoplanet mass
Exoplanet TOI 1855 b has 360.189 Earth masses (or 1.1334 Jupiter masses).
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: 18.495 R Earth | 1.7 R Jupiter
Density: 314 kg/m3 | 5.70 % Earth
Temperature: 1701 K | 1427.85 °C
Year of discovery: 2024 (transit)Advertisement
TOI 1855 system structure
Exoplanet TOI 1855 b orbits star TOI 1855, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 1855 | ||||||||
| TOI 1855 b | 0.02 AU | 360.2 M⊕ | 18.5 R⊕ | 1.4 days | |||||
Comparison
When comparing to the Solar system planets, TOI 1855 b has 1.13 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 6548.89 | 441.95 | 360.19 | 3274.45 | 1.13 | 3.78 | 24.67 | 20.94 |
|
Size | 48.3 | 19.47 | 18.5 | 34.9 | 1.65 | 2.03 | 4.62 | 4.87 |
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Density | 0.06 | 0.06 | 0.06 | 0.08 | 0.25 | 0.45 | 0.25 | 0.18 |
|
Distance | 0.06 | 0.03 | 0.02 | 0.02 | 0 | 0 | 0 | 0 |
|
Temperature | 3.87 | 2.31 | 5.91 | 8.18 | 10.44 | 12.79 | 21.81 | 23.63 |
Habitability
Habitable zone of the star: 0.85 - 1.2 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.