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Exoplanet HD 85628 b
Exoplanet HD 85628 b orbits star HD 85628 that lies 549 light years away from the Sun.
It weighs about 532.494 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
549 light years
549 light years
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HD 85628 b
Exoplanet, gas giant
Star: HD 85628
Distance from the star: 0.047 AU
Orbit around star: 2.82406 days
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Orbital period
Orbital period of exoplanet HD 85628 b around its star is 2.82406 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
Basic characteristic
Mass: 532.494 M Earth
| 1.6756 M Jupiter
Exoplanet mass
Exoplanet HD 85628 b has 532.494 Earth masses (or 1.6756 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: 16.981 R Earth | 1.5 R Jupiter
Density: 600 kg/m3 | 10.88 % Earth
Temperature: 2250 K | 1976.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
MASCARA 4 b, MASCARA-4 b, Ring-1 b
MASCARA 4 b, MASCARA-4 b, Ring-1 b
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HD 85628 system structure
Exoplanet HD 85628 b orbits star HD 85628, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 85628 | ||||||||
| HD 85628 b | 0.05 AU | 532.5 M⊕ | 17 R⊕ | 2.8 days | |||||
Comparison
When comparing to the Solar system planets, HD 85628 b has 1.68 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 | 9681.71 | 653.37 | 532.49 | 4840.85 | 1.68 | 5.59 | 36.47 | 30.96 |
|
Size | 44.35 | 17.87 | 16.98 | 32.04 | 1.51 | 1.87 | 4.25 | 4.47 |
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Density | 0.11 | 0.11 | 0.11 | 0.15 | 0.48 | 0.86 | 0.48 | 0.35 |
|
Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0 | 0 | 0 |
|
Temperature | 5.11 | 3.05 | 7.81 | 10.82 | 13.8 | 16.92 | 28.85 | 31.25 |
Habitability
Habitable zone of the star: 3.2 - 4.7 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.
News from this star system
21. 04 2023
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