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Exoplanet WASP-155 b
Exoplanet WASP-155 b orbits star WASP-155 that lies 1264 light years away from the Sun.
It weighs about 276.897 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1264 light years
1264 light years
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WASP-155 b
Exoplanet, gas giant
Star: WASP-155
Distance from the star: 0.043 AU
Orbit around star: 3.110413 days
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Orbital period
Orbital period of exoplanet WASP-155 b around its star is 3.110413 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: 0.0Basic characteristic
Mass: 276.897 M Earth
| 0.8713 M Jupiter
Exoplanet mass
Exoplanet WASP-155 b has 276.897 Earth masses (or 0.8713 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: 13.451 R Earth | 1.2 R Jupiter
Density: 627 kg/m3 | 11.37 % Earth
Temperature: 1468.0 K | 1194.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
TOI-6135 b
TOI-6135 b
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WASP-155 system structure
Exoplanet WASP-155 b orbits star WASP-155, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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WASP-155 | ||||||||
| WASP-155 b | 0.04 AU | 276.9 M⊕ | 13.5 R⊕ | 3.1 days | |||||
Comparison
When comparing to the Solar system planets, WASP-155 b has 87 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 5034.49 | 339.75 | 276.9 | 2517.25 | 0.87 | 2.91 | 18.97 | 16.1 |
|
Size | 35.13 | 14.16 | 13.45 | 25.38 | 1.2 | 1.48 | 3.36 | 3.54 |
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Density | 0.12 | 0.12 | 0.11 | 0.15 | 0.5 | 0.9 | 0.5 | 0.36 |
|
Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 3.34 | 1.99 | 5.1 | 7.06 | 9.01 | 11.04 | 18.82 | 20.39 |
Habitability
Habitable zone of the star: 1.3 - 1.9 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.