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Exoplanet HD 83443 b
Exoplanet HD 83443 b orbits star HD 83443 that lies 133 light years away from the Sun.
It weighs about 127.799 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
133 light years
133 light years
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HD 83443 b
Exoplanet
Star: HD 83443
Distance from the star: 0.0406 AU
Orbit around star: 2.985628 days
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Orbital period
Orbital period of exoplanet HD 83443 b around its star is 2.985628 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: 0.012Basic characteristic
Mass: 127.799 M Earth
| 0.4021 M Jupiter
Exoplanet mass
Exoplanet HD 83443 b has 127.799 Earth masses (or 0.4021 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
Size: 11.657 R Earth | 1 R Jupiter
Density: 445 kg/m3 | 8.07 % Earth
Year of discovery: 2002 (radial velocity)
Other designations of this exoplanet
Gaia EDR3 5424836719001215360 b
Gaia EDR3 5424836719001215360 b
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HD 83443 system structure
Exoplanet HD 83443 b orbits star HD 83443, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 83443 | ||||||||
| HD 83443 b | 0.04 AU | 127.8 M⊕ | 11.7 R⊕ | 3 days | |||||
| HD 83443 c | 8 AU | 429.2 M⊕ | 8241 days | ||||||
Comparison
When comparing to the Solar system planets, HD 83443 b has 1.34 times the mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 2323.62 | 156.81 | 127.8 | 1161.81 | 0.4 | 1.34 | 8.75 | 7.43 |
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Size | 30.44 | 12.27 | 11.66 | 21.99 | 1.04 | 1.28 | 2.91 | 3.07 |
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Density | 0.08 | 0.08 | 0.08 | 0.11 | 0.36 | 0.64 | 0.35 | 0.26 |
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Distance | 0.1 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 1.1 - 1.6 AU
The planet is too hot to sustain liquid water.