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Exoplanet HD 190228 b
Exoplanet HD 190228 b orbits star HD 190228 that lies 205 light years away from the Sun.
It weighs about 7629.768 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
205 light years
205 light years
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HD 190228 b
Exoplanet, brown dwarf
Star: HD 190228
Distance from the star: 2 AU
Orbit around star: 1146 days
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Orbital period
Orbital period of exoplanet HD 190228 b around its star is 1146 days (or 3.1 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: 0.5Basic characteristic
Mass: 7629.768 M Earth
| 24.0081 M Jupiter
Exoplanet mass
Exoplanet HD 190228 b has 7629.768 Earth masses (or 24.0081 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: 2002 (radial velocity)Advertisement
HD 190228 system structure
Exoplanet HD 190228 b orbits star HD 190228, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 190228 | ||||||||
| HD 190228 b | 2 AU | 7629.8 M⊕ | 1146 days | ||||||
Comparison
When comparing to the Solar system planets, HD 190228 b has % of mass of and it orbits its star between distances of Mars and Jupiter from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 138723.05 | 9361.68 | 7629.77 | 69361.53 | 24.01 | 80.14 | 522.59 | 443.59 |
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Distance | 5.13 | 2.77 | 2 | 1.31 | 0.38 | 0.21 | 0.1 | 0.07 |
Habitability
Habitable zone of the star: 2.2 - 3.2 AU
The planet is orbiting on the edge of 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.