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Exoplanet HD 106315 c
Exoplanet HD 106315 c orbits star HD 106315 that lies 356 light years away from the Sun.
It weighs about 15.2 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
356 light years
356 light years
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HD 106315 c
Exoplanet
Star: HD 106315
Distance from the star: 0.1536 AU
Orbit around star: 21.05704 days
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Orbital period
Orbital period of exoplanet HD 106315 c around its star is 21.05704 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: 0.22Basic characteristic
Mass: 15.2 M Earth
Exoplanet mass
Exoplanet HD 106315 c has 15.2 Earth masses, or 1.04 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: 4.35 R Earth | 0.4 R Jupiter
Density: 1018 kg/m3 | 18.47 % Earth
Temperature: 747 K | 473.85 °C
Year of discovery: 2017 (transit)
Other designations of this exoplanet
2MASS J12135339-0023365 c, BD+00 2910 c, EPIC 201437844 c, GSC 04940-00868 c, K2-109 c, SAO 138659 c, TYC 4940-868-1 c, WISE J121353.39-002336.4 c
2MASS J12135339-0023365 c, BD+00 2910 c, EPIC 201437844 c, GSC 04940-00868 c, K2-109 c, SAO 138659 c, TYC 4940-868-1 c, WISE J121353.39-002336.4 c
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HD 106315 system structure
Exoplanet HD 106315 c orbits star HD 106315, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 106315 | ||||||||
| HD 106315 b | 0.09 AU | 12.6 M⊕ | 2.4 R⊕ | 9.6 days | |||||
| HD 106315 c | 0.15 AU | 15.2 M⊕ | 4.4 R⊕ | 21.1 days | |||||
Comparison
When comparing to the Solar system planets, HD 106315 c has 1.04 times the mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 276.36 | 18.65 | 15.2 | 138.18 | 0.05 | 0.16 | 1.04 | 0.88 |
|
Size | 11.36 | 4.58 | 4.35 | 8.21 | 0.39 | 0.48 | 1.09 | 1.14 |
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Density | 0.19 | 0.19 | 0.18 | 0.25 | 0.82 | 1.46 | 0.81 | 0.59 |
|
Distance | 0.39 | 0.21 | 0.15 | 0.1 | 0.03 | 0.02 | 0.01 | 0.01 |
|
Temperature | 1.7 | 1.01 | 2.59 | 3.59 | 4.58 | 5.62 | 9.58 | 10.38 |
Habitability
Habitable zone of the star: 1.4 - 2 AU
The planet is bigger than Earth and smaller than Neptune. Its average density 1018 kg/m3 points to a hot gas planet.