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Exoplanet HD 207496 A b
Exoplanet HD 207496 A b orbits star HD 207496 A that lies 77 light years away from the Sun.
It weighs about 6.104 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
77 light years
77 light years
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HD 207496 A b
Exoplanet, sub-neptune
Star: HD 207496 A
Distance from the star: 0.0629 AU
Orbit around star: 6.441008 days
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Orbital period
Orbital period of exoplanet HD 207496 A b around its star is 6.441008 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: 0.23Basic characteristic
Mass: 6.104 M Earth
Exoplanet mass
Exoplanet HD 207496 A b has 6.104 Earth masses, or 0.42 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: 2.25 R Earth | 0.2 R Jupiter
Density: 2955 kg/m3 | 53.60 % Earth
Temperature: 743 K | 469.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
Gaia DR3 6356417496318028800 b, TOI-1099 b
Gaia DR3 6356417496318028800 b, TOI-1099 b
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HD 207496 system structure
Exoplanet HD 207496 A b orbits star HD 207496 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 207496 A | ||||||||
| HD 207496 A b | 0.06 AU | 6.1 M⊕ | 2.3 R⊕ | 6.4 days | |||||
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HD 207496 B | ||||||||
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HD 207496 C | ||||||||
Comparison
When comparing to the Solar system planets, HD 207496 A b has 42 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 110.98 | 7.49 | 6.1 | 55.49 | 0.02 | 0.06 | 0.42 | 0.35 |
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Size | 5.88 | 2.37 | 2.25 | 4.25 | 0.2 | 0.25 | 0.56 | 0.59 |
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Density | 0.55 | 0.56 | 0.54 | 0.73 | 2.38 | 4.24 | 2.35 | 1.71 |
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Distance | 0.16 | 0.09 | 0.06 | 0.04 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 1.69 | 1.01 | 2.58 | 3.57 | 4.56 | 5.59 | 9.53 | 10.32 |
Habitability
Habitable zone of the star: 0.72 - 1 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2955 kg/m3 points to a hot gas planet.
News from this star system
09. 03 2023
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