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Exoplanet HS Piscium b
(Unconfirmed Exoplanet)
HS Piscium b is an unconfirmed exoplanet detected around star HS Piscium. More observations are needed to confirm its existence.
Sun distance
123 light years
123 light years
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HS Piscium b
Exoplanet, gas giant
Star: HS Piscium
Distance from the star: 0.043 AU
Orbit around star: 3.986 days
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Orbital period
Orbital period of exoplanet HS Piscium b around its star is 3.986 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: 0.2Basic characteristic
Mass: 476.861 M Earth
| 1.5005 M Jupiter
Exoplanet mass
Exoplanet HS Piscium b has 476.861 Earth masses (or 1.5005 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: 2023 (radial velocity)Advertisement
HS Piscium system structure
Exoplanet HS Piscium b orbits star HS Piscium, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HS Piscium | ||||||||
| HS Piscium b unconfirmed |
0.04 AU | 476.9 M⊕ | 4 days | ||||||
Comparison
When comparing to the Solar system planets, HS Piscium b has 1.5 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 8670.2 | 585.11 | 476.86 | 4335.1 | 1.5 | 5.01 | 32.66 | 27.72 |
|
Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |