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Exoplanet Kepler-20 A f
Exoplanet Kepler-20 A f orbits star Kepler-20 A that lies 934 light years away from the Sun.
It weighs about 1.4306 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
934 light years
934 light years
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Kepler-20 A f
Exoplanet, rocky planet
Star: Kepler-20 A
Distance from the star: 0.13936 AU
Orbit around star: 19.57832 days
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Orbital period
Orbital period of exoplanet Kepler-20 A f around its star is 19.57832 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: 1.4306 M Earth
Exoplanet mass
Exoplanet Kepler-20 A f has 1.4306 Earth 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: 0.942 R Earth | 0.1 R Jupiter
Density: 9436 kg/m3 | 171.16 % Earth
Temperature: 681 K | 407.85 °C
Year of discovery: 2011 (transit)
Other designations of this exoplanet
WISE J191047.52+422019.0 f, KOI-70 f
WISE J191047.52+422019.0 f, KOI-70 f
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Kepler-20 system structure
Exoplanet Kepler-20 A f orbits star Kepler-20 A, which has lower mass than Sun. It is one of 6 known exoplanets orbiting this star.
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Kepler-20 A | ||||||||
| Kepler-20 A b | 0.05 AU | 9.5 M⊕ | 1.8 R⊕ | 3.7 days | |||||
| Kepler-20 A e | 0.06 AU | 3.1 M⊕ | 0.8 R⊕ | 6.1 days | |||||
| Kepler-20 A c | 0.09 AU | 11.1 M⊕ | 2.9 R⊕ | 10.9 days | |||||
| Kepler-20 A f | 0.14 AU | 1.4 M⊕ | 0.9 R⊕ | 19.6 days | |||||
| Kepler-20 A g | 0.21 AU | 21 M⊕ | 35 days | ||||||
| Kepler-20 A d | 0.35 AU | 12.9 M⊕ | 2.5 R⊕ | 77.6 days | |||||
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Kepler-20 B | ||||||||
Comparison
When comparing to the Solar system planets, Kepler-20 A f has 1.43 times the mass of Earth and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 26.01 | 1.76 | 1.43 | 13.01 | 0 | 0.02 | 0.1 | 0.08 |
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Size | 2.46 | 0.99 | 0.94 | 1.78 | 0.08 | 0.1 | 0.24 | 0.25 |
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Density | 1.75 | 1.8 | 1.71 | 2.32 | 7.58 | 13.55 | 7.5 | 5.46 |
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Distance | 0.36 | 0.19 | 0.14 | 0.09 | 0.03 | 0.01 | 0.01 | 0 |
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Temperature | 1.55 | 0.92 | 2.36 | 3.27 | 4.18 | 5.12 | 8.73 | 9.46 |
Habitability
Habitable zone of the star: 0.91 - 1.3 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.