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Exoplanet WASP-39 b
Exoplanet WASP-39 b orbits star WASP-39 that lies 702 light years away from the Sun.
It weighs about 89.3 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
702 light years
702 light years
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WASP-39 b
Exoplanet
Star: WASP-39
Distance from the star: 0.0486 AU
Orbit around star: 4.055259 days
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Orbital period
Orbital period of exoplanet WASP-39 b around its star is 4.055259 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: 89.3 M Earth
| 0.2810 M Jupiter
Exoplanet mass
Exoplanet WASP-39 b has 89.3 Earth masses (or 0.2810 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: 14.34 R Earth | 1.3 R Jupiter
Density: 167 kg/m3 | 3.03 % Earth
Temperature: 1166 K | 892.85 °C
Year of discovery: 2011 (transit)
Other designations of this exoplanet
2MASS 14291840-0326403 b, Malmok b
2MASS 14291840-0326403 b, Malmok b
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Comparison
When comparing to the Solar system planets, WASP-39 b has 94 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 1623.64 | 109.57 | 89.3 | 811.82 | 0.28 | 0.94 | 6.12 | 5.19 |
|
Size | 37.45 | 15.09 | 14.34 | 27.06 | 1.28 | 1.58 | 3.59 | 3.77 |
|
Density | 0.03 | 0.03 | 0.03 | 0.04 | 0.13 | 0.24 | 0.13 | 0.1 |
|
Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 2.65 | 1.58 | 4.05 | 5.61 | 7.15 | 8.77 | 14.95 | 16.19 |
Habitability
Habitable zone of the star: 0.82 - 1.2 AU
The planet is too hot to sustain liquid water.