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Exoplanet HD 39194 d
Exoplanet HD 39194 d orbits star HD 39194 that lies 86 light years away from the Sun.
It weighs about 4.133 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
86 light years
86 light years
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HD 39194 d
Exoplanet
Star: HD 39194
Distance from the star: 0.185 AU
Orbit around star: 33.91 days
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Orbital period
Orbital period of exoplanet HD 39194 d around its star is 33.91 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
Basic characteristic
Mass: 4.133 M Earth
Exoplanet mass
Exoplanet HD 39194 d has 4.133 Earth masses, or 0.28 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: 2011 (radial velocity)
Other designations of this exoplanet
LHS 210 d, CD-70 340 d, GJ 9191 d, Gliese 9191 d, GJ 217.2 d, Gliese 217.2 d, HIC 27080 d, HIP 27080 d, LFT 433 d, LTT 2373 d, 2MASS J05443201-7008391 d, NLTT 15633 d, SAO 256232 d, TIC 389506883 d, TYC 9167-835-1 d
LHS 210 d, CD-70 340 d, GJ 9191 d, Gliese 9191 d, GJ 217.2 d, Gliese 217.2 d, HIC 27080 d, HIP 27080 d, LFT 433 d, LTT 2373 d, 2MASS J05443201-7008391 d, NLTT 15633 d, SAO 256232 d, TIC 389506883 d, TYC 9167-835-1 d
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HD 39194 system structure
Exoplanet HD 39194 d orbits star HD 39194, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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HD 39194 | ||||||||
| HD 39194 b | 0.06 AU | 4.1 M⊕ | 5.6 days | ||||||
| HD 39194 c | 0.1 AU | 6.3 M⊕ | 14 days | ||||||
| HD 39194 d | 0.19 AU | 4.1 M⊕ | 33.9 days | ||||||
Comparison
When comparing to the Solar system planets, HD 39194 d has 28 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 75.15 | 5.07 | 4.13 | 37.57 | 0.01 | 0.04 | 0.28 | 0.24 |
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Distance | 0.47 | 0.26 | 0.19 | 0.12 | 0.04 | 0.02 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 0.78 - 1.1 AU
The planet is too hot to sustain liquid water.