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Exoplanet K2-19 b
Exoplanet K2-19 b orbits star K2-19 that lies 976 light years away from the Sun.
It weighs about 34.9 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
976 light years
976 light years
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K2-19 b
Exoplanet
Star: K2-19
Distance from the star: 0.0747 AU
Orbit around star: 7.9193 days
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Orbital period
Orbital period of exoplanet K2-19 b around its star is 7.9193 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: 34.9 M Earth
| 0.1098 M Jupiter
Exoplanet mass
Exoplanet K2-19 b has 34.9 Earth masses (or 0.1098 Jupiter masses).
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: 7 R Earth | 0.6 R Jupiter
Density: 561 kg/m3 | 10.18 % Earth
Year of discovery: 2015 (transit)Advertisement
Comparison
When comparing to the Solar system planets, K2-19 b has 37 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 634.55 | 42.82 | 34.9 | 317.27 | 0.11 | 0.37 | 2.39 | 2.03 |
|
Size | 18.28 | 7.37 | 7 | 13.21 | 0.62 | 0.77 | 1.75 | 1.84 |
|
Density | 0.1 | 0.11 | 0.1 | 0.14 | 0.45 | 0.81 | 0.45 | 0.32 |
|
Distance | 0.19 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |