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Exoplanet HD 219139 b
Exoplanet HD 219139 b orbits star HD 219139 that lies 336 light years away from the Sun.
It weighs about 247.967 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
336 light years
336 light years
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HD 219139 b
Exoplanet, gas giant
Star: HD 219139
Distance from the star: 0.94 AU
Orbit around star: 275.5 days
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Orbital period
Orbital period of exoplanet HD 219139 b around its star is 275.5 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: 247.967 M Earth
| 0.7803 M Jupiter
Exoplanet mass
Exoplanet HD 219139 b has 247.967 Earth masses (or 0.7803 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)
Other designations of this exoplanet
HIC 114641 b, HIP 114641 b, HR 8833 b, USNO-A2 0975-21216379 b, TYC 1164-1735-1 b
HIC 114641 b, HIP 114641 b, HR 8833 b, USNO-A2 0975-21216379 b, TYC 1164-1735-1 b
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HD 219139 system structure
Exoplanet HD 219139 b orbits star HD 219139, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 219139 | ||||||||
| HD 219139 b | 0.94 AU | 248 M⊕ | 275.5 days | ||||||
Comparison
When comparing to the Solar system planets, HD 219139 b has 78 % of mass of Jupiter and it orbits its star a little closer than Earth.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 4508.49 | 304.25 | 247.97 | 2254.25 | 0.78 | 2.6 | 16.98 | 14.42 |
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Distance | 2.41 | 1.3 | 0.94 | 0.62 | 0.18 | 0.1 | 0.05 | 0.03 |