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Exoplanet HD 121056 c
Exoplanet HD 121056 c orbits star HD 121056 that lies 209 light years away from the Sun.
It weighs about 1579.998 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
209 light years
209 light years
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HD 121056 c
Exoplanet, gas giant
Star: HD 121056
Distance from the star: 3.82 AU
Orbit around star: 3128.41 days
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Orbital period
Orbital period of exoplanet HD 121056 c around its star is 3128.41 days (or 8.6 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: 0.3Basic characteristic
Mass: 1579.998 M Earth
| 4.9717 M Jupiter
Exoplanet mass
Exoplanet HD 121056 c has 1579.998 Earth masses (or 4.9717 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: 2015 (radial velocity)
Other designations of this exoplanet
HD 121056 c, HIP 67851 c
HD 121056 c, HIP 67851 c
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HD 121056 system structure
Exoplanet HD 121056 c orbits star HD 121056, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 121056 | ||||||||
| HD 121056 b | 0.46 AU | 365.6 M⊕ | 89.2 days | ||||||
| HD 121056 c | 3.82 AU | 1580 M⊕ | 3128.4 days | ||||||
Comparison
When comparing to the Solar system planets, HD 121056 c has 4.97 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 28727.24 | 1938.65 | 1580 | 14363.62 | 4.97 | 16.6 | 108.22 | 91.86 |
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Distance | 9.79 | 5.28 | 3.82 | 2.51 | 0.73 | 0.4 | 0.2 | 0.13 |
Habitability
Habitable zone of the star: 4.5 - 6.5 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.