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Exoplanet HD 73256 A b
Exoplanet HD 73256 A b orbits star HD 73256 A that lies 120 light years away from the Sun.
It weighs about 594.486 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
120 light years
120 light years
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HD 73256 A b
Exoplanet, gas giant
Star: HD 73256 A
Orbit around star: 2.54858 days
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Orbital period
Orbital period of exoplanet HD 73256 A b around its star is 2.54858 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: 594.486 M Earth
| 1.8706 M Jupiter
Exoplanet mass
Exoplanet HD 73256 A b has 594.486 Earth masses (or 1.8706 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: 2003Advertisement
HD 73256 system structure
Exoplanet HD 73256 A b orbits star HD 73256 A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 73256 A | ||||||||
| HD 73256 A b | n/a | 594.5 M⊕ | 2.5 days | ||||||
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HD 73256 B | 3.8 AU | |||||||
Comparison
When comparing to the Solar system planets, HD 73256 A b has 1.87 times the mass of Jupiter
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 10808.84 | 729.43 | 594.49 | 5404.42 | 1.87 | 6.24 | 40.72 | 34.56 |