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Exoplanet K2-404 b
Exoplanet K2-404 b orbits star K2-404 that lies 397 light years away from the Sun.
It weighs about 7.331 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
397 light years
397 light years
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K2-404 b
Exoplanet, sub-neptune
Star: K2-404
Orbit around star: 13.115 days
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Orbital period
Orbital period of exoplanet K2-404 b around its star is 13.115 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
Basic characteristic
Mass: 7.331 M Earth
Exoplanet mass
Exoplanet K2-404 b has 7.331 Earth masses, or 0.5 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: 2.53 R Earth | 0.2 R Jupiter
Density: 2496 kg/m3 | 45.27 % Earth
Temperature: 450 K | 176.85 °C
Year of discovery: 2022 (transit)
Other designations of this exoplanet
EPIC 248861279 b
EPIC 248861279 b
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Comparison
When comparing to the Solar system planets, K2-404 b has 50 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 133.29 | 9 | 7.33 | 66.65 | 0.02 | 0.08 | 0.5 | 0.43 |
|
Size | 6.61 | 2.66 | 2.53 | 4.77 | 0.23 | 0.28 | 0.63 | 0.67 |
|
Density | 0.46 | 0.48 | 0.45 | 0.61 | 2.01 | 3.58 | 1.98 | 1.44 |
|
Temperature | 1.02 | 0.61 | 1.56 | 2.16 | 2.76 | 3.38 | 5.77 | 6.25 |