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Exoplanet HD 15337 c
Exoplanet HD 15337 c orbits star HD 15337 that lies 146 light years away from the Sun.
It weighs about 6.792 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
146 light years
146 light years
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HD 15337 c
Exoplanet, sub-neptune
Star: HD 15337
Distance from the star: 0.1235 AU
Orbit around star: 17.18054 days
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Orbital period
Orbital period of exoplanet HD 15337 c around its star is 17.18054 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: 0.096Basic characteristic
Mass: 6.792 M Earth
Exoplanet mass
Exoplanet HD 15337 c has 6.792 Earth masses, or 0.47 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: 2.526 R Earth | 0.2 R Jupiter
Density: 2323 kg/m3 | 42.14 % Earth
Year of discovery: 2019 (transit)
Other designations of this exoplanet
TIC 120896927 c, TOI-402 c
TIC 120896927 c, TOI-402 c
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HD 15337 system structure
Exoplanet HD 15337 c orbits star HD 15337, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 15337 | ||||||||
| HD 15337 b | 0.05 AU | 6.5 M⊕ | 1.8 R⊕ | 4.8 days | |||||
| HD 15337 c | 0.12 AU | 6.8 M⊕ | 2.5 R⊕ | 17.2 days | |||||
Comparison
When comparing to the Solar system planets, HD 15337 c has 47 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 123.49 | 8.33 | 6.79 | 61.75 | 0.02 | 0.07 | 0.47 | 0.39 |
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Size | 6.6 | 2.66 | 2.53 | 4.77 | 0.23 | 0.28 | 0.63 | 0.66 |
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Density | 0.43 | 0.44 | 0.42 | 0.57 | 1.87 | 3.34 | 1.85 | 1.34 |
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Distance | 0.32 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.52 - 0.75 AU
The planet is bigger than Earth and smaller than Neptune. Its average density 2323 kg/m3 points to a hot gas planet.