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Exoplanet HD 142 A d
(Unconfirmed Exoplanet)
HD 142 A d is an unconfirmed exoplanet detected around star HD 142 A. More observations are needed to confirm its existence.
Sun distance
85 light years
85 light years
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HD 142 A d
Exoplanet
Star: HD 142 A
Distance from the star: 0.469 AU
Orbit around star: 108.39 days
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Orbital period
Orbital period of exoplanet HD 142 A d around its star is 108.39 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: 95.372 M Earth
| 0.3001 M Jupiter
Exoplanet mass
Exoplanet HD 142 A d has 95.372 Earth masses (or 0.3001 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
Other designations of this exoplanet
CD−49°14337 d, HD 142 d, HIC 522 d, HIP 522 d, HR 6 d, SAO 214963 d, WDS J00063-4905A d
CD−49°14337 d, HD 142 d, HIC 522 d, HIP 522 d, HR 6 d, SAO 214963 d, WDS J00063-4905A d
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HD 142 system structure
Exoplanet HD 142 A d orbits star HD 142 A, which has bigger mass than Sun. It is one of 3 known exoplanets orbiting this star.
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HD 142 A | ||||||||
| HD 142 A d unconfirmed |
0.47 AU | 95.4 M⊕ | 108.4 days | ||||||
| HD 142 A b | 1.05 AU | 403.1 M⊕ | 352.5 days | ||||||
| HD 142 A c | 7.14 AU | 1700.8 M⊕ | 6268 days | ||||||
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HD 142 B | 120.6 AU | |||||||
Comparison
When comparing to the Solar system planets, 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 | 1734.04 | 117.02 | 95.37 | 867.02 | 0.3 | 1 | 6.53 | 5.54 |
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Distance | 1.2 | 0.65 | 0.47 | 0.31 | 0.09 | 0.05 | 0.02 | 0.02 |
Habitability
Habitable zone of the star: 1.7 - 2.4 AU
The planet is too hot to sustain liquid water.