stars
exoplanets
news
Exoplanet HATS-38 b
Exoplanet HATS-38 b orbits star HATS-38 that lies 1107 light years away from the Sun.
It weighs about 20.7 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
1107 light years
1107 light years
Loading may take a moment.
HATS-38 b
Exoplanet
Star: HATS-38
Distance from the star: 0.051 AU
Orbit around star: 4.37504 days
+
Orbital period
Orbital period of exoplanet HATS-38 b around its star is 4.37504 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: 0.112Basic characteristic
Mass: 20.7 M Earth
Exoplanet mass
Exoplanet HATS-38 b has 20.7 Earth masses, or 1.2 times the mass of Neptune.
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: 6.7 R Earth | 0.6 R Jupiter
Density: 379 kg/m3 | 6.87 % EarthAdvertisement
Comparison
When comparing to the Solar system planets, HATS-38 b has 1.2 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 376.36 | 25.4 | 20.7 | 188.18 | 0.07 | 0.22 | 1.42 | 1.2 |
|
Size | 17.5 | 7.05 | 6.7 | 12.64 | 0.6 | 0.74 | 1.68 | 1.76 |
|
Density | 0.07 | 0.07 | 0.07 | 0.09 | 0.3 | 0.54 | 0.3 | 0.22 |
|
Distance | 0.13 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 1.1 - 1.7 AU
The planet is too hot to sustain liquid water.