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Exoplanet 54 Cassiopeiae b
Exoplanet 54 Cassiopeiae b orbits star 54 Cassiopeiae that lies 88 light years away from the Sun.
It weighs about 2257.14 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
88 light years
88 light years
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54 Cassiopeiae b
Exoplanet, gas giant
Star: 54 Cassiopeiae
Orbit around star: 401.1 days
+
Orbital period
Orbital period of exoplanet 54 Cassiopeiae b around its star is 401.1 days (or 1.1 years).
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: 2257.14 M Earth
| 7.1024 M Jupiter
Exoplanet mass
Exoplanet 54 Cassiopeiae b has 2257.14 Earth masses (or 7.1024 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: 2024 (astrometry)
Other designations of this exoplanet
54 Cas b, BD+70 163 b, HD 12800 b, HIP 10031 b, G 244-50 b
54 Cas b, BD+70 163 b, HD 12800 b, HIP 10031 b, G 244-50 b
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54 Cassiopeiae system structure
Exoplanet 54 Cassiopeiae b orbits star 54 Cassiopeiae, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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54 Cassiopeiae | ||||||||
| 54 Cassiopeiae b disproven |
n/a | 2257.1 M⊕ | 401.1 days | ||||||
Comparison
When comparing to the Solar system planets, 54 Cassiopeiae b has 7.1 times the mass of Jupiter
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 41038.91 | 2769.5 | 2257.14 | 20519.45 | 7.1 | 23.71 | 154.6 | 131.23 |