stars
exoplanets
news
Exoplanet WASP 31 b
Exoplanet WASP 31 b orbits star WASP 31 that lies 1266 light years away from the Sun.
It weighs about 151.96 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1266 light years
1266 light years
Loading may take a moment.
WASP 31 b
Exoplanet
Star: WASP 31
Distance from the star: 0.04657 AU
Orbit around star: 3.405909 days
+
Orbital period
Orbital period of exoplanet WASP 31 b around its star is 3.405909 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: 151.96 M Earth
| 0.4782 M Jupiter
Exoplanet mass
Exoplanet WASP 31 b has 151.96 Earth masses (or 0.4782 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: 17.228 R Earth | 1.5 R Jupiter
Density: 164 kg/m3 | 2.97 % Earth
Year of discovery: 2010 (transit)Advertisement
Comparison
When comparing to the Solar system planets, WASP 31 b has 48 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 2762.91 | 186.45 | 151.96 | 1381.45 | 0.48 | 1.6 | 10.41 | 8.83 |
|
Size | 44.99 | 18.13 | 17.23 | 32.51 | 1.54 | 1.89 | 4.31 | 4.53 |
|
Density | 0.03 | 0.03 | 0.03 | 0.04 | 0.13 | 0.24 | 0.13 | 0.09 |
|
Distance | 0.12 | 0.06 | 0.05 | 0.03 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 1.6 - 2.3 AU
The planet is too hot to sustain liquid water.