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Exoplanet Kepler-186 e
Exoplanet Kepler-186 e orbits star Kepler-186 that lies 582 light years away from the Sun.
It weighs about 2.29 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
582 light years
582 light years
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Kepler-186 e
Exoplanet, super-earth
Star: Kepler-186
Distance from the star: 0.1216 AU
Orbit around star: 22.40770 days
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Orbital period
Orbital period of exoplanet Kepler-186 e around its star is 22.40770 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: 0.24Basic characteristic
Mass: 2.29 M Earth
Exoplanet mass
Exoplanet Kepler-186 e has 2.29 Earth masses, or 0.16 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: 1.33 R Earth | 0.1 R Jupiter
Density: 5367 kg/m3 | 97.35 % Earth
Year of discovery: 2014 (transit)
Other designations of this exoplanet
KIC 8120608 e, KOI-571 e, K00571.03 e, WISE J195436.65+435717.9 e, 2MASS J19543665+4357180 e, Gaia DR2 2079000330051813504 e
KIC 8120608 e, KOI-571 e, K00571.03 e, WISE J195436.65+435717.9 e, 2MASS J19543665+4357180 e, Gaia DR2 2079000330051813504 e
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Kepler-186 system structure
Exoplanet Kepler-186 e orbits star Kepler-186, which has lower mass than Sun. It is one of 5 known exoplanets orbiting this star.
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Kepler-186 | ||||||||
| Kepler-186 b | 0.04 AU | 1.1 R⊕ | 3.9 days | ||||||
| Kepler-186 c | 0.06 AU | 0.1 R⊕ | 7.3 days | ||||||
| Kepler-186 d | 0.09 AU | 1.4 R⊕ | 13.3 days | ||||||
| Kepler-186 e | 0.12 AU | 2.3 M⊕ | 1.3 R⊕ | 22.4 days | |||||
| Kepler-186 f | 0.43 AU | 1.4 M⊕ | 1.2 R⊕ | 129.9 days | |||||
Comparison
When comparing to the Solar system planets, Kepler-186 e has 16 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 41.64 | 2.81 | 2.29 | 20.82 | 0.01 | 0.02 | 0.16 | 0.13 |
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Size | 3.47 | 1.4 | 1.33 | 2.51 | 0.12 | 0.15 | 0.33 | 0.35 |
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Density | 0.99 | 1.02 | 0.97 | 1.32 | 4.31 | 7.71 | 4.27 | 3.11 |
|
Distance | 0.31 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 375.9 - 541.6 AU
The planet has mass comparable to Earth.