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Exoplanet HD 148797 b
Exoplanet HD 148797 b orbits star HD 148797 that lies 562 light years away from the Sun.
It weighs about 39.3 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
562 light years
562 light years
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HD 148797 b
Exoplanet
Star: HD 148797
Distance from the star: 0.257 AU
Orbit around star: 42.099 days
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Orbital period
Orbital period of exoplanet HD 148797 b around its star is 42.099 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: 0.153Basic characteristic
Mass: 39.3 M Earth
| 0.1237 M Jupiter
Exoplanet mass
Exoplanet HD 148797 b has 39.3 Earth masses (or 0.1237 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: 8.25 R Earth | 0.7 R Jupiter
Density: 386 kg/m3 | 7.00 % Earth
Temperature: 762 K | 488.85 °C
Year of discovery: 2025 (radial velocity)
Other designations of this exoplanet
TYC 8720-1711-1 b, 2MASS J16333911-5641563 b, TIC 221567884 b, Gaia DR3 5928516226857454464 b
TYC 8720-1711-1 b, 2MASS J16333911-5641563 b, TIC 221567884 b, Gaia DR3 5928516226857454464 b
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HD 148797 system structure
Exoplanet HD 148797 b orbits star HD 148797, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 148797 | ||||||||
| HD 148797 b | 0.26 AU | 39.3 M⊕ | 8.3 R⊕ | 42.1 days | |||||
| HD 148797 c | 0.35 AU | 39.6 M⊕ | 8.4 R⊕ | 68.2 days | |||||
Comparison
When comparing to the Solar system planets, HD 148797 b has 41 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 714.55 | 48.22 | 39.3 | 357.27 | 0.12 | 0.41 | 2.69 | 2.28 |
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Size | 21.55 | 8.68 | 8.25 | 15.57 | 0.74 | 0.91 | 2.06 | 2.17 |
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Density | 0.07 | 0.07 | 0.07 | 0.09 | 0.31 | 0.55 | 0.31 | 0.22 |
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Distance | 0.66 | 0.36 | 0.26 | 0.17 | 0.05 | 0.03 | 0.01 | 0.01 |
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Temperature | 1.73 | 1.03 | 2.65 | 3.66 | 4.67 | 5.73 | 9.77 | 10.58 |