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Exoplanet WASP-197 b
Exoplanet WASP-197 b orbits star WASP-197 that lies 1559 light years away from the Sun.
It weighs about 403.424 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1559 light years
1559 light years
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WASP-197 b
Exoplanet, gas giant
Star: WASP-197
Distance from the star: 0.065 AU
Orbit around star: 5.167228 days
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Orbital period
Orbital period of exoplanet WASP-197 b around its star is 5.167228 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: 403.424 M Earth
| 1.2694 M Jupiter
Exoplanet mass
Exoplanet WASP-197 b has 403.424 Earth masses (or 1.2694 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: 14.448 R Earth | 1.3 R Jupiter
Density: 737 kg/m3 | 13.37 % Earth
Temperature: 1665.0 K | 1391.85 °C
Year of discovery: 2025 (transit)
Other designations of this exoplanet
TIC 85266608 b, TOI-5385 b
TIC 85266608 b, TOI-5385 b
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WASP-197 system structure
Exoplanet WASP-197 b orbits star WASP-197, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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WASP-197 | ||||||||
| WASP-197 b | 0.07 AU | 403.4 M⊕ | 14.4 R⊕ | 5.2 days | |||||
Comparison
When comparing to the Solar system planets, WASP-197 b has 1.27 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 | 7334.98 | 495 | 403.42 | 3667.49 | 1.27 | 4.24 | 27.63 | 23.45 |
|
Size | 37.73 | 15.21 | 14.45 | 27.26 | 1.29 | 1.59 | 3.61 | 3.8 |
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Density | 0.14 | 0.14 | 0.13 | 0.18 | 0.59 | 1.06 | 0.59 | 0.43 |
|
Distance | 0.17 | 0.09 | 0.07 | 0.04 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 3.78 | 2.26 | 5.78 | 8 | 10.21 | 12.52 | 21.35 | 23.13 |
Habitability
Habitable zone of the star: 2.3 - 3.3 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.