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Exoplanet HD 179949 b
Exoplanet HD 179949 b orbits star HD 179949 that lies 90 light years away from the Sun.
It weighs about 292.474 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
90 light years
90 light years
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HD 179949 b
Exoplanet, gas giant
Star: HD 179949
Distance from the star: 0.0443 AU
Orbit around star: 3.092514 days
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Orbital period
Orbital period of exoplanet HD 179949 b around its star is 3.092514 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: 292.474 M Earth
| 0.9203 M Jupiter
Exoplanet mass
Exoplanet HD 179949 b has 292.474 Earth masses (or 0.9203 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
Year of discovery: 2000 (radial velocity)
Other designations of this exoplanet
13 Sgr b, V5652 Sgr b, CD−24° 15161 b, GJ 749 b, Gliese 749 b, HD 179949 b, HIC 94645 b, HIP 94645 b, HR 7291 b, SAO 187883 b, 2MASS J19153322-2410455 b, Gumala b, TIC 2288734 b, TYC 6875-3273-1 b, WISEA J191533.32-241046.3 b
13 Sgr b, V5652 Sgr b, CD−24° 15161 b, GJ 749 b, Gliese 749 b, HD 179949 b, HIC 94645 b, HIP 94645 b, HR 7291 b, SAO 187883 b, 2MASS J19153322-2410455 b, Gumala b, TIC 2288734 b, TYC 6875-3273-1 b, WISEA J191533.32-241046.3 b
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HD 179949 system structure
Exoplanet HD 179949 b orbits star HD 179949, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 179949 | ||||||||
| HD 179949 b | 0.04 AU | 292.5 M⊕ | 3.1 days | ||||||
Comparison
When comparing to the Solar system planets, HD 179949 b has 92 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 5317.71 | 358.86 | 292.47 | 2658.85 | 0.92 | 3.07 | 20.03 | 17 |
|
Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 1.4 - 2 AU
The planet is too hot to sustain liquid water.