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Exoplanet HD 185283 b
Exoplanet HD 185283 b orbits star HD 185283 that lies 102 light years away from the Sun.
It weighs about 413.279 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
102 light years
102 light years
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HD 185283 b
Exoplanet, gas giant
Star: HD 185283
Distance from the star: 4.6 AU
Orbit around star: 4000 days
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Orbital period
Orbital period of exoplanet HD 185283 b around its star is 4000 days (or 11 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: 0.07Basic characteristic
Mass: 413.279 M Earth
| 1.3004 M Jupiter
Exoplanet mass
Exoplanet HD 185283 b has 413.279 Earth masses (or 1.3004 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
Year of discovery: 2023 (radial velocity)Advertisement
HD 185283 system structure
Exoplanet HD 185283 b orbits star HD 185283, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 185283 | ||||||||
| HD 185283 b | 4.6 AU | 413.3 M⊕ | 4000 days | ||||||
Comparison
When comparing to the Solar system planets, HD 185283 b has 1.3 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 7514.16 | 507.09 | 413.28 | 3757.08 | 1.3 | 4.34 | 28.31 | 24.03 |
|
Distance | 11.79 | 6.36 | 4.6 | 3.02 | 0.88 | 0.48 | 0.24 | 0.15 |
Habitability
Habitable zone of the star: 0.59 - 0.86 AU
The planet is too cold to sustain liquid water on its surface. It is however possible that there is environment with higher temperatures on some of its potential moons.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.