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Exoplanet HD 85426 b
Exoplanet HD 85426 b orbits star HD 85426 that lies 176 light years away from the Sun.
It weighs about 8.5 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
176 light years
176 light years
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HD 85426 b
Exoplanet, sub-neptune
Star: HD 85426
Orbit around star: 16.70988 days
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Orbital period
Orbital period of exoplanet HD 85426 b around its star is 16.70988 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: 0.05Basic characteristic
Mass: 8.5 M Earth
Exoplanet mass
Exoplanet HD 85426 b has 8.5 Earth masses, or 0.58 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: 2.78 R Earth | 0.2 R Jupiter
Density: 2181 kg/m3 | 39.56 % Earth
Temperature: 824 K | 550.85 °C
Other designations of this exoplanet
TIC 4897275 b, TOI 1774 b, 2MASS J09523847+3506422 b
TIC 4897275 b, TOI 1774 b, 2MASS J09523847+3506422 b
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HD 85426 system structure
Exoplanet HD 85426 b orbits star HD 85426, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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HD 85426 | ||||||||
| HD 85426 b | n/a | 8.5 M⊕ | 2.8 R⊕ | 16.7 days | |||||
| HD 85426 c | n/a | 10.3 M⊕ | 35.7 days | ||||||
| HD 85426 d unconfirmed |
n/a | 9.5 M⊕ | 89 days | ||||||
Comparison
When comparing to the Solar system planets, HD 85426 b has 58 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 154.55 | 10.43 | 8.5 | 77.27 | 0.03 | 0.09 | 0.58 | 0.49 |
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Size | 7.26 | 2.93 | 2.78 | 5.25 | 0.25 | 0.31 | 0.7 | 0.73 |
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Density | 0.4 | 0.42 | 0.4 | 0.54 | 1.75 | 3.13 | 1.73 | 1.26 |
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Temperature | 1.87 | 1.12 | 2.86 | 3.96 | 5.06 | 6.2 | 10.56 | 11.44 |