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Exoplanet HD 143811 A b
Exoplanet HD 143811 A b orbits star HD 143811 A that lies 446 light years away from the Sun.
It weighs about 1780.279 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
446 light years
446 light years
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HD 143811 A b
Exoplanet, gas giant
Star: HD 143811 A
Distance from the star: 64 AU
Eccentricity: 0.23Basic characteristic
Mass: 1780.279 M Earth
| 5.6019 M Jupiter
Exoplanet mass
Exoplanet HD 143811 A b has 1780.279 Earth masses (or 5.6019 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
Temperature: 1042 K | 768.85 °C
Year of discovery: 2025 (imaging)Advertisement
HD 143811 system structure
Exoplanet HD 143811 A b orbits star HD 143811 A, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 143811 A | ||||||||
| HD 143811 A b | 64 AU | 1780.3 M⊕ | - | ||||||
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HD 143811 B | ||||||||
Comparison
When comparing to the Solar system planets, HD 143811 A b has 5.6 times the mass of Jupiter and it orbits its star between distances of Neptune and from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 32368.71 | 2184.39 | 1780.28 | 16184.35 | 5.6 | 18.7 | 121.94 | 103.5 |
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Distance | 164.1 | 88.52 | 64 | 41.99 | 12.3 | 6.71 | 3.34 | 2.13 |
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Temperature | 2.37 | 1.41 | 3.62 | 5.01 | 6.39 | 7.83 | 13.36 | 14.47 |
Habitability
Habitable zone of the star: 1.8 - 2.6 AU
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.