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Exoplanet K2-381 b
Exoplanet K2-381 b orbits star K2-381 that lies 475 light years away from the Sun.
It has about 250px of Earth radius and orbits its star closer than Earth orbits Sun.
Sun distance
475 light years
475 light years
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K2-381 b
Exoplanet, sub-neptune
Star: K2-381
Distance from the star: 0.11306 AU
Orbit around star: 16.0343 days
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Orbital period
Orbital period of exoplanet K2-381 b around its star is 16.0343 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
Size: 2.22 R Earth | 0.2 R Jupiter
Year of discovery: 2022 (transit)
Other designations of this exoplanet
EPIC 217192839 b
EPIC 217192839 b
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Comparison
When comparing to the Solar system planets, K2-381 b orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Size | 5.8 | 2.34 | 2.22 | 4.19 | 0.2 | 0.24 | 0.56 | 0.58 |
|
Distance | 0.29 | 0.16 | 0.11 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.31 - 0.44 AU
The planet is too hot to sustain liquid water.