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Exoplanet HD 216520 b
Exoplanet HD 216520 b orbits star HD 216520 that lies 64 light years away from the Sun.
It weighs about 10.262 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
64 light years
64 light years
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HD 216520 b
Exoplanet
Star: HD 216520
Distance from the star: 0.198 AU
Orbit around star: 35.45 days
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Orbital period
Orbital period of exoplanet HD 216520 b around its star is 35.45 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: 10.262 M Earth
Exoplanet mass
Exoplanet HD 216520 b has 10.262 Earth masses, or 0.7 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: 2020 (radial velocity)
Other designations of this exoplanet
2MASS J22473183+8341493 b, BD+82 704 b, HIC 112527 b, HIP 112527 b, LSPM J2247+8341 b, SAO 3796 b, TIC 264899051 b, TYC 4650-00917-1 b, WISE J224731.02+834150.7 b, GC 31860 b, WISEA J224731.02+834150.7 b
2MASS J22473183+8341493 b, BD+82 704 b, HIC 112527 b, HIP 112527 b, LSPM J2247+8341 b, SAO 3796 b, TIC 264899051 b, TYC 4650-00917-1 b, WISE J224731.02+834150.7 b, GC 31860 b, WISEA J224731.02+834150.7 b
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HD 216520 system structure
Exoplanet HD 216520 b orbits star HD 216520, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 216520 | ||||||||
| HD 216520 b | 0.2 AU | 10.3 M⊕ | 35.5 days | ||||||
| HD 216520 c | 0.53 AU | 9.4 M⊕ | 154.4 days | ||||||
Comparison
When comparing to the Solar system planets, HD 216520 b has 70 % 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 | 186.58 | 12.59 | 10.26 | 93.29 | 0.03 | 0.11 | 0.7 | 0.6 |
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Distance | 0.51 | 0.27 | 0.2 | 0.13 | 0.04 | 0.02 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 0.67 - 0.97 AU
The planet is too hot to sustain liquid water.