Kepler-47c
Kepler-47c (also known as Kepler-47(AB)-c and by its Kepler Object of Interest designation KOI-3154.02) is an exoplanet orbiting the binary star system Kepler-47, the outermost of three such planets discovered by NASA's Kepler spacecraft. The system, also involving two other exoplanets, is located about 3,400 light-years (1,060 parsecs) away.
Artist's impression of the Kepler-47 system (sizes to scale) compared to the planets of the inner Solar System with their respective habitable zones. | |
| Discovery | |
|---|---|
| Discovered by | Kepler spacecraft |
| Discovery date | August 3, 2012 |
| Transit (Kepler Mission) | |
| Orbital characteristics | |
| 1.79 (± 0.015) AU | |
| Eccentricity | <1.5 |
| 300.137 (± 0.072) d | |
| Inclination | 152.855 (± 0.010) |
| Star | Kepler-47 (KOI-3154) |
| Physical characteristics | |
Mean radius | 4.92 (± 0.20) R🜨 |
| Mass | 23.17 (± 1.97) ME |
Mean density | 1.29+0.32 −0.25 g cm−3 |
| 1.09+0.2 −0.18 g | |
| Temperature | 245 K (−28 °C; −19 °F) |
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