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Exoplanet HD 103891 b
Exoplanet HD 103891 b orbits star HD 103891 that lies 179 light years away from the Sun.
It weighs about 457.786 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
179 light years
179 light years
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HD 103891 b
Exoplanet, gas giant
Star: HD 103891
Distance from the star: 3.27 AU
Orbit around star: 1919 days
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Orbital period
Orbital period of exoplanet HD 103891 b around its star is 1919 days (or 5.3 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
Basic characteristic
Mass: 457.786 M Earth
| 1.4405 M Jupiter
Exoplanet mass
Exoplanet HD 103891 b has 457.786 Earth masses (or 1.4405 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: 2021 (radial velocity)Advertisement
HD 103891 system structure
Exoplanet HD 103891 b orbits star HD 103891, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 103891 | ||||||||
| HD 103891 b | 3.27 AU | 457.8 M⊕ | 1919 days | ||||||
Comparison
When comparing to the Solar system planets, HD 103891 b has 1.44 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 8323.38 | 561.7 | 457.79 | 4161.69 | 1.44 | 4.81 | 31.36 | 26.62 |
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Distance | 8.38 | 4.52 | 3.27 | 2.15 | 0.63 | 0.34 | 0.17 | 0.11 |