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Exoplanet K2-25 b
Exoplanet K2-25 b orbits star K2-25 that lies 146 light years away from the Sun.
It weighs about 24.511 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
146 light years
146 light years
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K2-25 b
Exoplanet, sub-neptune
Star: K2-25
Orbit around star: 3.484565 days
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Orbital period
Orbital period of exoplanet K2-25 b around its star is 3.484565 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: 0.69Basic characteristic
Mass: 24.511 M Earth
Exoplanet mass
Exoplanet K2-25 b has 24.511 Earth masses, or 1.43 times the mass of Neptune.
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: 3.43 R Earth | 0.3 R Jupiter
Density: 3349 kg/m3 | 60.75 % Earth
Temperature: 345.7 K | 72.55 °C
Year of discovery: 2015 (transit)
Other designations of this exoplanet
TOI 5095 b
TOI 5095 b
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Comparison
When comparing to the Solar system planets, K2-25 b has 1.43 times the mass of Neptune
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 445.65 | 30.07 | 24.51 | 222.83 | 0.08 | 0.26 | 1.68 | 1.43 |
|
Size | 8.96 | 3.61 | 3.43 | 6.47 | 0.31 | 0.38 | 0.86 | 0.9 |
|
Density | 0.62 | 0.64 | 0.61 | 0.82 | 2.69 | 4.81 | 2.66 | 1.94 |
|
Temperature | 0.79 | 0.47 | 1.2 | 1.66 | 2.12 | 2.6 | 4.43 | 4.8 |