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Exoplanet HD 137388 b
Exoplanet HD 137388 b orbits star HD 137388 that lies 132 light years away from the Sun.
It weighs about 70.893 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
132 light years
132 light years
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HD 137388 b
Exoplanet
Star: HD 137388
Distance from the star: 0.89 AU
Orbit around star: 330.0 days
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Orbital period
Orbital period of exoplanet HD 137388 b around its star is 330.0 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: 0.36Basic characteristic
Mass: 70.893 M Earth
| 0.2231 M Jupiter
Exoplanet mass
Exoplanet HD 137388 b has 70.893 Earth masses (or 0.2231 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: 2011 (radial velocity)Advertisement
HD 137388 system structure
Exoplanet HD 137388 b orbits star HD 137388, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 137388 | ||||||||
| HD 137388 b | 0.89 AU | 70.9 M⊕ | 330 days | ||||||
Comparison
When comparing to the Solar system planets, HD 137388 b has 74 % of mass of Saturn and it orbits its star a little closer than Earth.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 1288.96 | 86.99 | 70.89 | 644.48 | 0.22 | 0.74 | 4.86 | 4.12 |
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Distance | 2.28 | 1.23 | 0.89 | 0.58 | 0.17 | 0.09 | 0.05 | 0.03 |
Habitability
Habitable zone of the star: 0.89 - 1.3 AU
The planet is orbiting on the edge of the habitable zone of its star.
The planet is a gas giant and has no surface, however life could still be possible in its atmosphere or on the potential moons orbiting the planet.