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Exoplanet HD 80653 b
Exoplanet HD 80653 b orbits star HD 80653 that lies 352 light years away from the Sun.
It weighs about 5.61 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
352 light years
352 light years
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HD 80653 b
Exoplanet, super-earth, ultra-short period
Star: HD 80653
Distance from the star: 0.017 AU
Orbit around star: 0.72 days
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Orbital period
Orbital period of exoplanet HD 80653 b around its star is 0.72 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: 5.61 M Earth
Exoplanet mass
Exoplanet HD 80653 b has 5.61 Earth masses, or 0.38 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: 1.621 R Earth | 0.1 R Jupiter
Density: 7262 kg/m3 | 131.73 % Earth
Temperature: 2438 K | 2164.85 °C
Other designations of this exoplanet
K2 312 b, EPIC 251279430 b, TOI 5556 b, Tycho-2 825-1097-1 b, 2MASS J09212142+1422046 b, Gaia DR3 606477252238780160 b
K2 312 b, EPIC 251279430 b, TOI 5556 b, Tycho-2 825-1097-1 b, 2MASS J09212142+1422046 b, Gaia DR3 606477252238780160 b
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HD 80653 system structure
Exoplanet HD 80653 b orbits star HD 80653, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 80653 | ||||||||
| HD 80653 b | 0.02 AU | 5.6 M⊕ | 1.6 R⊕ | 0.7 days | |||||
| HD 80653 c | 1.88 AU (HZ) | 1688.2 M⊕ | 871.3 days | ||||||
Comparison
When comparing to the Solar system planets, HD 80653 b has 38 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 102 | 6.88 | 5.61 | 51 | 0.02 | 0.06 | 0.38 | 0.33 |
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Size | 4.23 | 1.71 | 1.62 | 3.06 | 0.14 | 0.18 | 0.41 | 0.43 |
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Density | 1.34 | 1.39 | 1.32 | 1.78 | 5.84 | 10.43 | 5.77 | 4.2 |
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Distance | 0.04 | 0.02 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
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Temperature | 5.54 | 3.31 | 8.47 | 11.72 | 14.96 | 18.33 | 31.26 | 33.86 |
Habitability
Habitable zone of the star: 1.4 - 1.9 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.