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Exoplanet Kepler 102 b
Exoplanet Kepler 102 b orbits star Kepler 102 that lies 353 light years away from the Sun.
It weighs about 0.41 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
353 light years
353 light years
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Kepler 102 b
Exoplanet
Star: Kepler 102
Distance from the star: 0.055 AU
Orbit around star: 5.28696 days
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Orbital period
Orbital period of exoplanet Kepler 102 b around its star is 5.28696 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: 0.41 M Earth
Exoplanet mass
Exoplanet Kepler 102 b has 0.41 Earth masses, or 0.5 times the mass of Venus.
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: 0.471 R Earth
Density: 21634 kg/m3 | 392.42 % Earth
Temperature: 792 K | 518.85 °C
Year of discovery: 2014 (transit)
Other designations of this exoplanet
Gaia DR3 2119583201145735808 b, KOI-82 b, KIC 10187017 b, 2MASS J18455585+4712289 b, WISE J184555.80+471228.4 b
Gaia DR3 2119583201145735808 b, KOI-82 b, KIC 10187017 b, 2MASS J18455585+4712289 b, WISE J184555.80+471228.4 b
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Kepler 102 system structure
Exoplanet Kepler 102 b orbits star Kepler 102, which has lower mass than Sun. It is one of 5 known exoplanets orbiting this star.
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Kepler 102 | ||||||||
| Kepler 102 d | n/a | 3.8 M⊕ | 1.2 R⊕ | 10.3 days | |||||
| Kepler 102 b | 0.06 AU | 0.4 M⊕ | 0.5 R⊕ | 5.3 days | |||||
| Kepler 102 c | 0.07 AU | 3 M⊕ | 0.6 R⊕ | 7.1 days | |||||
| Kepler 102 e | 0.12 AU | 8.9 M⊕ | 2.2 R⊕ | 16.1 days | |||||
| Kepler 102 f | 0.17 AU | 5.2 M⊕ | 0.9 R⊕ | 27.5 days | |||||
Comparison
When comparing to the Solar system planets, Kepler 102 b has 50 % of mass of Venus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 7.45 | 0.5 | 0.41 | 3.73 | 0 | 0 | 0.03 | 0.02 |
|
Size | 1.23 | 0.5 | 0.47 | 0.89 | 0.04 | 0.05 | 0.12 | 0.12 |
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Density | 4.01 | 4.13 | 3.92 | 5.31 | 17.39 | 31.06 | 17.2 | 12.52 |
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Distance | 0.14 | 0.08 | 0.06 | 0.04 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 1.8 | 1.07 | 2.75 | 3.81 | 4.86 | 5.95 | 10.15 | 11 |
Habitability
Habitable zone of the star: 0.46 - 0.66 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.