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Exoplanet HD 3638 b
Exoplanet HD 3638 b orbits star HD 3638 that lies 727 light years away from the Sun.
It weighs about 2098.186 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
727 light years
727 light years
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HD 3638 b
Exoplanet, gas giant
Star: HD 3638
Distance from the star: 1.3 AU
Orbit around star: 582 days
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Orbital period
Orbital period of exoplanet HD 3638 b around its star is 582 days (or 1.6 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: 0.2Basic characteristic
Mass: 2098.186 M Earth
| 6.6022 M Jupiter
Exoplanet mass
Exoplanet HD 3638 b has 2098.186 Earth masses (or 6.6022 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
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Comparison
When comparing to the Solar system planets, HD 3638 b has 6.6 times the mass of Jupiter and it orbits its star a little closer than Mars.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 38148.84 | 2574.46 | 2098.19 | 19074.42 | 6.6 | 22.04 | 143.71 | 121.99 |
|
Distance | 3.33 | 1.8 | 1.3 | 0.85 | 0.25 | 0.14 | 0.07 | 0.04 |