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Exoplanet K2 419 A b
Exoplanet K2 419 A b orbits star K2 419 A that lies 861 light years away from the Sun.
It weighs about 196 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
861 light years
861 light years
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K2 419 A b
Exoplanet
Star: K2 419 A
Distance from the star: 0.1208 AU
Orbit around star: 20.35847 days
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Orbital period
Orbital period of exoplanet K2 419 A b around its star is 20.35847 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: 0.042Basic characteristic
Mass: 196 M Earth
| 0.6167 M Jupiter
Exoplanet mass
Exoplanet K2 419 A b has 196 Earth masses (or 0.6167 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: 10.55 R Earth | 0.9 R Jupiter
Density: 920 kg/m3 | 16.69 % Earth
Temperature: 377 K | 103.85 °C
Year of discovery: 2024 (transit)
Other designations of this exoplanet
TOI 5176 b, 2MASS J09000476+1316258 b, EPIC 211509553 b
TOI 5176 b, 2MASS J09000476+1316258 b, EPIC 211509553 b
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K2 419 system structure
Exoplanet K2 419 A b orbits star K2 419 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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K2 419 A | ||||||||
| K2 419 A b | 0.12 AU | 196 M⊕ | 10.6 R⊕ | 20.4 days | |||||
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K2 419 B | ||||||||
Comparison
When comparing to the Solar system planets, K2 419 A b has 62 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 3563.64 | 240.49 | 196 | 1781.82 | 0.62 | 2.06 | 13.42 | 11.4 |
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Size | 27.55 | 11.11 | 10.55 | 19.91 | 0.94 | 1.16 | 2.64 | 2.78 |
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Density | 0.17 | 0.18 | 0.17 | 0.23 | 0.74 | 1.32 | 0.73 | 0.53 |
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Distance | 0.31 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
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Temperature | 0.86 | 0.51 | 1.31 | 1.81 | 2.31 | 2.83 | 4.83 | 5.24 |
Habitability
Habitable zone of the star: 0.27 - 0.39 AU
The planet is too hot to sustain liquid water.