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Exoplanet HD 224018 d
Exoplanet HD 224018 d orbits star HD 224018 that lies 347 light years away from the Sun.
It weighs about 4.2 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
347 light years
347 light years
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HD 224018 d
Exoplanet, sub-neptune
Star: HD 224018
Distance from the star: 0.53 AU
Orbit around star: 138.0731 days
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Orbital period
Orbital period of exoplanet HD 224018 d around its star is 138.0731 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
Eccentricity: 0.04Basic characteristic
Mass: 4.2 M Earth
Exoplanet mass
Exoplanet HD 224018 d has 4.2 Earth masses, or 0.29 times the mass of Uranus.
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
Size: 2.4 R Earth | 0.2 R Jupiter
Density: 1675 kg/m3 | 30.38 % Earth
Temperature: 411 K | 137.85 °C
Other designations of this exoplanet
HD 224018 d
HD 224018 d
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HD 224018 system structure
Exoplanet HD 224018 d orbits star HD 224018, which has bigger mass than Sun. It is one of 4 known exoplanets orbiting this star.
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HD 224018 | ||||||||
| HD 224018 b | 0.1 AU | 4.1 M⊕ | 0.9 R⊕ | 10.6 days | |||||
| HD 224018 c | 0.22 AU | 10.4 M⊕ | 2.4 R⊕ | 36.6 days | |||||
| HD 224018 d | 0.53 AU | 4.2 M⊕ | 2.4 R⊕ | 138.1 days | |||||
| HD 224018 e | 8.6 AU | 151 M⊕ | 9129 days | ||||||
Comparison
When comparing to the Solar system planets, HD 224018 d has 29 % of mass of Uranus and it orbits its star a little closer than Venus.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 76.36 | 5.15 | 4.2 | 38.18 | 0.01 | 0.04 | 0.29 | 0.24 |
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Size | 6.27 | 2.53 | 2.4 | 4.53 | 0.21 | 0.26 | 0.6 | 0.63 |
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Density | 0.31 | 0.32 | 0.3 | 0.41 | 1.35 | 2.4 | 1.33 | 0.97 |
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Distance | 1.36 | 0.73 | 0.53 | 0.35 | 0.1 | 0.06 | 0.03 | 0.02 |
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Temperature | 0.93 | 0.56 | 1.43 | 1.98 | 2.52 | 3.09 | 5.27 | 5.71 |
Habitability
Habitable zone of the star: 1 - 1.5 AU
The planet's orbit is close to hotter edge of the habitable zone of its star.
The planet is bigger than Earth and smaller than Neptune. Its average density 1675 kg/m3 points to a hot gas planet.