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Exoplanet Kepler 409 b
Exoplanet Kepler 409 b orbits star Kepler 409 that lies 222 light years away from the Sun.
It weighs about 22.006 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
222 light years
222 light years
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Kepler 409 b
Exoplanet, rocky planet
Star: Kepler 409
Orbit around star: 68.9584 days
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Orbital period
Orbital period of exoplanet Kepler 409 b around its star is 68.9584 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: 22.006 M Earth
Exoplanet mass
Exoplanet Kepler 409 b has 22.006 Earth masses, or 1.28 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: 1.188 R Earth | 0.1 R Jupiter
Density: 72363 kg/m3 | 1312.59 % Earth
Year of discovery: 2014 (transit)
Other designations of this exoplanet
KOI-1925 b, KIC 9955598 b, 2MASS J19344300+4651099 b, WISE J193443.00+465109.9 b
KOI-1925 b, KIC 9955598 b, 2MASS J19344300+4651099 b, WISE J193443.00+465109.9 b
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Kepler 409 system structure
Exoplanet Kepler 409 b orbits star Kepler 409, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Kepler 409 | ||||||||
| Kepler 409 b | n/a | 22 M⊕ | 1.2 R⊕ | 69 days | |||||
Comparison
When comparing to the Solar system planets, Kepler 409 b has 1.28 times the mass of Neptune
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 400.11 | 27 | 22.01 | 200.05 | 0.07 | 0.23 | 1.51 | 1.28 |
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Size | 3.1 | 1.25 | 1.19 | 2.24 | 0.11 | 0.13 | 0.3 | 0.31 |
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Density | 13.4 | 13.81 | 13.13 | 17.76 | 58.16 | 103.9 | 57.54 | 41.87 |