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Exoplanet K2-19 c
Exoplanet K2-19 c orbits star K2-19 that lies 976 light years away from the Sun.
It weighs about 12.5 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
976 light years
976 light years
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K2-19 c
Exoplanet
Star: K2-19
Distance from the star: 0.1001 AU
Orbit around star: 11.906 days
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Orbital period
Orbital period of exoplanet K2-19 c around its star is 11.906 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: 0.10Basic characteristic
Mass: 12.5 M Earth
Exoplanet mass
Exoplanet K2-19 c has 12.5 Earth masses, or 0.86 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: 4.1 R Earth | 0.4 R Jupiter
Density: 1000 kg/m3 | 18.14 % Earth
Year of discovery: 2015 (transit)Advertisement
Comparison
When comparing to the Solar system planets, K2-19 c has 86 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 227.27 | 15.34 | 12.5 | 113.64 | 0.04 | 0.13 | 0.86 | 0.73 |
|
Size | 10.71 | 4.32 | 4.1 | 7.74 | 0.37 | 0.45 | 1.03 | 1.08 |
|
Density | 0.19 | 0.19 | 0.18 | 0.25 | 0.8 | 1.44 | 0.8 | 0.58 |
|
Distance | 0.26 | 0.14 | 0.1 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.57 - 0.83 AU
The planet is bigger than Earth and smaller than Neptune. Its average density 1000 kg/m3 points to a hot gas planet.