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Exoplanet DS Tucanae A b
Exoplanet DS Tucanae A b orbits star DS Tucanae A that lies 149 light years away from the Sun.
It weighs about 14.4 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
149 light years
149 light years
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DS Tucanae A b
Exoplanet
Star: DS Tucanae A
Distance from the star: 0.0795 AU
Orbit around star: 8.138268 days
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Orbital period
Orbital period of exoplanet DS Tucanae A b around its star is 8.138268 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: 14.4 M Earth
Exoplanet mass
Exoplanet DS Tucanae A b has 14.4 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
Size: 5.70 R Earth | 0.5 R Jupiter
Density: 429 kg/m3 | 7.78 % Earth
Year of discovery: 2019 (transit)
Other designations of this exoplanet
V* DS Tuc b, HD 222259 b, CCDM J23397-6912AB b, CD-69°2106 b, HIC 116748 b, HIP 116748 b, WDS J23397-6912AB b, TIC 410214986 b, TOI 200 b, SAO 255538 b
V* DS Tuc b, HD 222259 b, CCDM J23397-6912AB b, CD-69°2106 b, HIC 116748 b, HIP 116748 b, WDS J23397-6912AB b, TIC 410214986 b, TOI 200 b, SAO 255538 b
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DS Tucanae system structure
Exoplanet DS Tucanae A b orbits star DS Tucanae A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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DS Tucanae A | ||||||||
| DS Tucanae A b | 0.08 AU | 14.4 M⊕ | 5.7 R⊕ | 8.1 days | |||||
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DS Tucanae B | ||||||||
Comparison
When comparing to the Solar system planets, DS Tucanae A 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 | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 261.82 | 17.67 | 14.4 | 130.91 | 0.05 | 0.15 | 0.99 | 0.84 |
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Size | 14.89 | 6 | 5.7 | 10.75 | 0.51 | 0.63 | 1.43 | 1.5 |
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Density | 0.08 | 0.08 | 0.08 | 0.11 | 0.34 | 0.62 | 0.34 | 0.25 |
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Distance | 0.2 | 0.11 | 0.08 | 0.05 | 0.02 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 1.1 - 1.5 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 429 kg/m3 points to a hot gas planet.