Exoplanet WASP 17 b

Exoplanet WASP 17 b orbits star WASP 17 that lies 1315 light years away from the Sun. It weighs about 154.503 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1315 light years
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iconWASP 17 b

Exoplanet, super-puff
Star: WASP 17
icon distanceDistance from the star: 0.0515 AU
icon time Orbit around star: 3.735485 days +
Orbital period
Orbital period of exoplanet WASP 17 b around its star is 3.735485 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... icon More about Orbital period in StellarGuide

Basic characteristic

icon weight
Mass: 154.503 M Earth
| 0.4862 M Jupiter
+
Exoplanet mass
Exoplanet WASP 17 b has 154.503 Earth masses (or 0.4862 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... icon More about Exoplanet mass in StellarGuide
icon radiusSize: 22.317 R Earth | 2 R Jupiter
icon densityDensity: 77 kg/m3 | 1.40 % Earth
icon temperatureTemperature: 6550 K | 6276.85 °C
icon discoveryYear of discovery: 2009 (transit)
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WASP 17 system structure

Exoplanet WASP 17 b orbits star WASP 17, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
WASP 17
WASP 17 b 0.05 AU 154.5 M⊕ 22.3 R⊕ 3.7 days

Comparison

When comparing to the Solar system planets, WASP 17 b has 49 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
icon mass Mass 2809.15189.57154.51404.570.491.6210.588.98
icon size Size58.2823.4922.3242.111.992.455.585.87
icon density Density0.010.010.010.020.060.110.060.04
icon distance Distance0.130.070.050.030.010.0100
icon temp Temperature14.898.8922.7431.4940.1849.2583.9790.97

Habitability

Habitable zone of the star: 1.7 - 2.5 AU
check icon
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.

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