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Exoplanet Kepler 68 c
Exoplanet Kepler 68 c orbits star Kepler 68 that lies 471 light years away from the Sun.
It weighs about 2.041 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
471 light years
471 light years
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Kepler 68 c
Exoplanet, rocky planet
Star: Kepler 68
Distance from the star: 0.09059 AU
Orbit around star: 9.6051 days
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Orbital period
Orbital period of exoplanet Kepler 68 c around its star is 9.6051 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: 2.041 M Earth
Exoplanet mass
Exoplanet Kepler 68 c has 2.041 Earth masses, or 0.14 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: 0.927 R Earth | 0.1 R Jupiter
Density: 14126 kg/m3 | 256.23 % Earth
Year of discovery: 2013 (transit)
Other designations of this exoplanet
WISE J192407.75+490224.8 c, KOI-246 c
WISE J192407.75+490224.8 c, KOI-246 c
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Kepler 68 system structure
Exoplanet Kepler 68 c orbits star Kepler 68, which has bigger mass than Sun. It is one of 4 known exoplanets orbiting this star.
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Kepler 68 | ||||||||
| Kepler 68 b | 0.06 AU | 7.7 M⊕ | 5.4 days | ||||||
| Kepler 68 c | 0.09 AU | 2 M⊕ | 0.9 R⊕ | 9.6 days | |||||
| Kepler 68 d | 1.4 AU | 244.8 M⊕ | 634.6 days | ||||||
| Kepler 68 e | 5.38 AU | 164 M⊕ | 4464.4 days | ||||||
Comparison
When comparing to the Solar system planets, Kepler 68 c has 14 % 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 | 37.11 | 2.5 | 2.04 | 18.55 | 0.01 | 0.02 | 0.14 | 0.12 |
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Size | 2.42 | 0.98 | 0.93 | 1.75 | 0.08 | 0.1 | 0.23 | 0.24 |
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Density | 2.62 | 2.7 | 2.56 | 3.47 | 11.35 | 20.28 | 11.23 | 8.17 |
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Distance | 0.23 | 0.13 | 0.09 | 0.06 | 0.02 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 145.4 - 209.5 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.