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Exoplanet HATS-8 b
Exoplanet HATS-8 b orbits star HATS-8 that lies 2630 light years away from the Sun.
It weighs about 43.875 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
2630 light years
2630 light years
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HATS-8 b
Exoplanet
Star: HATS-8
Distance from the star: 0.047 AU
Orbit around star: 3.584 days
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Orbital period
Orbital period of exoplanet HATS-8 b around its star is 3.584 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: 0.38Basic characteristic
Mass: 43.875 M Earth
| 0.1381 M Jupiter
Exoplanet mass
Exoplanet HATS-8 b has 43.875 Earth masses (or 0.1381 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: 9.785 R Earth | 0.9 R Jupiter
Density: 258 kg/m3 | 4.68 % Earth
Temperature: 1324 K | 1050.85 °C
Year of discovery: 2015 (transit)
Other designations of this exoplanet
HATS-8 b, Gaia DR3 6767008363999712512 b
HATS-8 b, Gaia DR3 6767008363999712512 b
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Comparison
When comparing to the Solar system planets, HATS-8 b has 46 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 797.73 | 53.83 | 43.88 | 398.86 | 0.14 | 0.46 | 3.01 | 2.55 |
|
Size | 25.55 | 10.3 | 9.79 | 18.46 | 0.87 | 1.08 | 2.45 | 2.58 |
|
Density | 0.05 | 0.05 | 0.05 | 0.06 | 0.21 | 0.37 | 0.21 | 0.15 |
|
Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 3.01 | 1.8 | 4.6 | 6.37 | 8.12 | 9.95 | 16.97 | 18.39 |
Habitability
Habitable zone of the star: 1.3 - 1.8 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.