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Exoplanet HD 200133 b
Exoplanet HD 200133 b orbits star HD 200133 that lies 359 light years away from the Sun.
It weighs about 14.433 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
359 light years
359 light years
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HD 200133 b
Exoplanet
Star: HD 200133
Distance from the star: 0.1097 AU
Orbit around star: 12.733 days
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Orbital period
Orbital period of exoplanet HD 200133 b around its star is 12.733 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: 0.25Basic characteristic
Mass: 14.433 M Earth
Exoplanet mass
Exoplanet HD 200133 b has 14.433 Earth masses, or 0.99 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
Year of discovery: 2026 (radial velocity)
Other designations of this exoplanet
DMPP-9 b
DMPP-9 b
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HD 200133 system structure
Exoplanet HD 200133 b orbits star HD 200133, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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HD 200133 | ||||||||
| HD 200133 b | 0.11 AU | 14.4 M⊕ | 12.7 days | ||||||
Comparison
When comparing to the Solar system planets, HD 200133 b has 99 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 262.42 | 17.71 | 14.43 | 131.21 | 0.05 | 0.15 | 0.99 | 0.84 |
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Distance | 0.28 | 0.15 | 0.11 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 1.6 - 2.3 AU
The planet is too hot to sustain liquid water.