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Exoplanet HD 164595 A b
Exoplanet HD 164595 A b orbits star HD 164595 A that lies 92 light years away from the Sun.
It weighs about 16 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
92 light years
92 light years
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HD 164595 A b
Exoplanet
Star: HD 164595 A
Distance from the star: 0.23 AU
Orbit around star: 40 days
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Orbital period
Orbital period of exoplanet HD 164595 A b around its star is 40 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: 16 M Earth
Exoplanet mass
Exoplanet HD 164595 A b has 16 Earth masses, or 0.93 times the mass of Neptune.
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: 2015 (radial velocity)
Other designations of this exoplanet
HIC 88194 b, HIP 88194 b, SAO 85632 b, BD+29 3165 b, LTT 15317 b, LDS 6413A b, 2MASS J18003890+2934188 b, NLTT 45789 b, TIC 158917706 b, TYC 2103-1620-1 b, WISEA J180038.80+293420.6 b
HIC 88194 b, HIP 88194 b, SAO 85632 b, BD+29 3165 b, LTT 15317 b, LDS 6413A b, 2MASS J18003890+2934188 b, NLTT 45789 b, TIC 158917706 b, TYC 2103-1620-1 b, WISEA J180038.80+293420.6 b
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HD 164595 system structure
Exoplanet HD 164595 A b orbits star HD 164595 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HD 164595 A | ||||||||
| HD 164595 A b | 0.23 AU | 16 M⊕ | 40 days | ||||||
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HD 164595 B | ||||||||
Comparison
When comparing to the Solar system planets, HD 164595 A b has 93 % of mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 290.91 | 19.63 | 16 | 145.45 | 0.05 | 0.17 | 1.1 | 0.93 |
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Distance | 0.59 | 0.32 | 0.23 | 0.15 | 0.04 | 0.02 | 0.01 | 0.01 |