Kepler-107
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Kepler-107 is a star about 1,694 light-years (519 parsecs) away in the constellation Cygnus. No stellar companions were found as of 2016.
Planetary system
Kepler-107 has four known planets discovered in 2014. A giant impact is the likely origin of two planets in the system. Kepler-107 c is more than twice as dense (about 12.6 g/cm3) as the innermost exoplanet Kepler-107 b (about 5.3 g/cm3).
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 3.8+1.8 −1.7 M🜨 | 0.04544±0.00036 | 3.1800218±0.0000029 | <0.10 | 89.05±0.67° | 1.536±0.025 R🜨 |
| c | 10.0±2.0 M🜨 | 0.06064±0.00048 | 4.901452±0.0 | <0.080 | 89.49+0.34 −0.44° | 1.597±0.026 R🜨 |
| d | <7.7 M🜨 | 0.08377±0.00065 | 7.95839±0.00012 | <0.11 | 87.55+0.64 −0.48° | 0.860±0.060 R🜨 |
| e | 14.1±3.3 M🜨 | 0.12638±0.00099 | 14.749143±0.000019 | <0.10 | 89.67±0.22° | 2.903±0.035 R🜨 |