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Exoplanet HD 159868 b
Exoplanet HD 159868 b orbits star HD 159868 that lies 182 light years away from the Sun.
It weighs about 705.118 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
182 light years
182 light years
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HD 159868 b
Exoplanet, gas giant
Star: HD 159868
Distance from the star: 2.32 AU
Orbit around star: 1184.1 days
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Orbital period
Orbital period of exoplanet HD 159868 b around its star is 1184.1 days (or 3.2 years).
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: 0.024Basic characteristic
Mass: 705.118 M Earth
| 2.2187 M Jupiter
Exoplanet mass
Exoplanet HD 159868 b has 705.118 Earth masses (or 2.2187 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: 13.473 R Earth | 1.2 R Jupiter
Density: 1590 kg/m3 | 28.84 % Earth
Year of discovery: 2007 (radial velocity)Advertisement
HD 159868 system structure
Exoplanet HD 159868 b orbits star HD 159868, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 159868 | ||||||||
| HD 159868 c | 1.03 AU | 244.2 M⊕ | 14.2 R⊕ | 351 days | |||||
| HD 159868 b | 2.32 AU (HZ) | 705.1 M⊕ | 13.5 R⊕ | 1184.1 days | |||||
Comparison
When comparing to the Solar system planets, HD 159868 b has 2.22 times the mass of Jupiter and it orbits its star between distances of Mars and Jupiter from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 12820.33 | 865.18 | 705.12 | 6410.16 | 2.22 | 7.41 | 48.3 | 41 |
|
Size | 35.19 | 14.18 | 13.47 | 25.42 | 1.2 | 1.48 | 3.37 | 3.55 |
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Density | 0.29 | 0.3 | 0.29 | 0.39 | 1.28 | 2.28 | 1.26 | 0.92 |
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Distance | 5.95 | 3.21 | 2.32 | 1.52 | 0.45 | 0.24 | 0.12 | 0.08 |
Habitability
Habitable zone of the star: 2 - 2.9 AU
The planet is orbiting inside the habitable zone of its star.
The planet is a gas giant and has no surface, however life could still be possible in its atmosphere or on the potential moons orbiting the planet.