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Exoplanet HD 141399 b
Exoplanet HD 141399 b orbits star HD 141399 that lies 121 light years away from the Sun.
It weighs about 143.694 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
121 light years
121 light years
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HD 141399 b
Exoplanet
Star: HD 141399
Distance from the star: 0.4176 AU
Orbit around star: 94.375 days
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Orbital period
Orbital period of exoplanet HD 141399 b around its star is 94.375 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: 0.053Basic characteristic
Mass: 143.694 M Earth
| 0.4522 M Jupiter
Exoplanet mass
Exoplanet HD 141399 b has 143.694 Earth masses (or 0.4522 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: 2014 (radial velocity)
Other designations of this exoplanet
BD+47 2267 b, Gaia DR2 1398218223733415552 b, HIP 77301 b, TYC 3490-928-1 b, GSC 03490-00928 b, 2MASS J15465382+4659105 b
BD+47 2267 b, Gaia DR2 1398218223733415552 b, HIP 77301 b, TYC 3490-928-1 b, GSC 03490-00928 b, 2MASS J15465382+4659105 b
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HD 141399 system structure
Exoplanet HD 141399 b orbits star HD 141399, which has bigger mass than Sun. It is one of 4 known exoplanets orbiting this star.
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HD 141399 | ||||||||
| HD 141399 b | 0.42 AU | 143.7 M⊕ | 94.4 days | ||||||
| HD 141399 c | 0.69 AU | 422.5 M⊕ | 201.8 days | ||||||
| HD 141399 d | 2.11 AU (HZ) | 401.5 M⊕ | 1074.8 days | ||||||
| HD 141399 e | 4.5 AU | 204.7 M⊕ | 3336 days | ||||||
Comparison
When comparing to the Solar system planets, HD 141399 b has 1.51 times the mass of Saturn and it orbits its star between distances of Mercury and Venus from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 2612.62 | 176.31 | 143.69 | 1306.31 | 0.45 | 1.51 | 9.84 | 8.35 |
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Distance | 1.07 | 0.58 | 0.42 | 0.27 | 0.08 | 0.04 | 0.02 | 0.01 |
Habitability
Habitable zone of the star: 1.6 - 2.3 AU
The planet is too hot to sustain liquid water.