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Exoplanet CD-47 399 b
Exoplanet CD-47 399 b orbits star CD-47 399 that lies 73 light years away from the Sun.
It weighs about 3.34 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
73 light years
73 light years
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CD-47 399 b
Exoplanet, sub-neptune
Star: CD-47 399
Orbit around star: 2.853105 days
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Orbital period
Orbital period of exoplanet CD-47 399 b around its star is 2.853105 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: 3.34 M Earth
Exoplanet mass
Exoplanet CD-47 399 b has 3.34 Earth masses, or 0.23 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: 2.13 R Earth | 0.2 R Jupiter
Density: 1906 kg/m3 | 34.57 % Earth
Temperature: 700 K | 426.85 °C
Other designations of this exoplanet
GJ 3090 b, Gliese 3090 b
GJ 3090 b, Gliese 3090 b
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CD-47 399 system structure
Exoplanet CD-47 399 b orbits star CD-47 399, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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CD-47 399 | ||||||||
| CD-47 399 b | n/a | 3.3 M⊕ | 2.1 R⊕ | 2.9 days | |||||
Comparison
When comparing to the Solar system planets, CD-47 399 b has 23 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 60.73 | 4.1 | 3.34 | 30.36 | 0.01 | 0.04 | 0.23 | 0.19 |
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Size | 5.56 | 2.24 | 2.13 | 4.02 | 0.19 | 0.23 | 0.53 | 0.56 |
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Density | 0.35 | 0.36 | 0.35 | 0.47 | 1.53 | 2.74 | 1.52 | 1.1 |
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Temperature | 1.59 | 0.95 | 2.43 | 3.37 | 4.29 | 5.26 | 8.97 | 9.72 |