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Exoplanet HD 143105 b
Exoplanet HD 143105 b orbits star HD 143105 that lies 152 light years away from the Sun.
It weighs about 391.026 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
152 light years
152 light years
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HD 143105 b
Exoplanet, gas giant
Star: HD 143105
Distance from the star: 0.0379 AU
Orbit around star: 2.1974 days
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Orbital period
Orbital period of exoplanet HD 143105 b around its star is 2.1974 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: 0.07Basic characteristic
Mass: 391.026 M Earth
| 1.2304 M Jupiter
Exoplanet mass
Exoplanet HD 143105 b has 391.026 Earth masses (or 1.2304 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: 13.451 R Earth | 1.2 R Jupiter
Density: 886 kg/m3 | 16.07 % Earth
Temperature: 1940 K | 1666.85 °C
Year of discovery: 2016 (radial velocity)Advertisement
HD 143105 system structure
Exoplanet HD 143105 b orbits star HD 143105, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 143105 | ||||||||
| HD 143105 b | 0.04 AU | 391 M⊕ | 13.5 R⊕ | 2.2 days | |||||
Comparison
When comparing to the Solar system planets, HD 143105 b has 1.23 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 7109.56 | 479.79 | 391.03 | 3554.78 | 1.23 | 4.11 | 26.78 | 22.73 |
|
Size | 35.13 | 14.16 | 13.45 | 25.38 | 1.2 | 1.48 | 3.36 | 3.54 |
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Density | 0.16 | 0.17 | 0.16 | 0.22 | 0.71 | 1.27 | 0.7 | 0.51 |
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Distance | 0.1 | 0.05 | 0.04 | 0.02 | 0.01 | 0 | 0 | 0 |
|
Temperature | 4.41 | 2.63 | 6.74 | 9.33 | 11.9 | 14.59 | 24.87 | 26.94 |
Habitability
Habitable zone of the star: 1.7 - 2.5 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.