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Exoplanet Kepler-25 A b
Exoplanet Kepler-25 A b orbits star Kepler-25 A that lies 799 light years away from the Sun.
It weighs about 10.813 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
799 light years
799 light years
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Kepler-25 A b
Exoplanet, sub-neptune
Star: Kepler-25 A
Distance from the star: 0.069 AU
Orbit around star: 6.238 days
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Orbital period
Orbital period of exoplanet Kepler-25 A b around its star is 6.238 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: 0.003Basic characteristic
Mass: 10.813 M Earth
Exoplanet mass
Exoplanet Kepler-25 A b has 10.813 Earth masses, or 0.74 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: 2.704 R Earth | 0.2 R Jupiter
Density: 3015 kg/m3 | 54.69 % Earth
Temperature: 1185 K | 911.85 °C
Year of discovery: 2011 (transit)
Other designations of this exoplanet
Kepler-25 A b, KIC 4349452 b, WISE J190633.20+392916.5 b, KOI-244 b, GSC 03124-01264 b, TYC 3124-01264-1 b, 2MASS J19063321+3929164 b, TOI-1237 b, TIC 120960812 b
Kepler-25 A b, KIC 4349452 b, WISE J190633.20+392916.5 b, KOI-244 b, GSC 03124-01264 b, TYC 3124-01264-1 b, 2MASS J19063321+3929164 b, TOI-1237 b, TIC 120960812 b
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Kepler-25 system structure
Exoplanet Kepler-25 A b orbits star Kepler-25 A, which has bigger mass than Sun. It is one of 3 known exoplanets orbiting this star.
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Kepler-25 A | ||||||||
| Kepler-25 A b | 0.07 AU | 10.8 M⊕ | 2.7 R⊕ | 6.2 days | |||||
| Kepler-25 A c | 0.11 AU | 24.1 M⊕ | 4.6 R⊕ | 12.7 days | |||||
| Kepler-25 A d | 0.42 AU | 66.8 M⊕ | 91.6 days | ||||||
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Kepler-25 B | 2030 AU | |||||||
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Kepler-25 C | 7771 AU | |||||||
Comparison
When comparing to the Solar system planets, Kepler-25 A b has 74 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 196.6 | 13.27 | 10.81 | 98.3 | 0.03 | 0.11 | 0.74 | 0.63 |
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Size | 7.06 | 2.85 | 2.7 | 5.1 | 0.24 | 0.3 | 0.68 | 0.71 |
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Density | 0.56 | 0.58 | 0.55 | 0.74 | 2.42 | 4.33 | 2.4 | 1.74 |
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Distance | 0.18 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 2.69 | 1.61 | 4.11 | 5.7 | 7.27 | 8.91 | 15.19 | 16.46 |
Habitability
Habitable zone of the star: 1.5 - 2.2 AU
The planet is too hot to sustain liquid water.