Kepler-26
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Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 18h 59m 45.8408s Declination +46° 33′ 59.438″. With an apparent visual magnitude of 15.5, this star is too faint to be seen with the naked eye.
Planetary system
The two planets, Kepler-26b and Kepler-26c, were discovered by transit method in late 2011, and classified as small (sub-Neptune) gas giants in 2016. In 2012, the planetary candidate Kepler-26d was also detected, and confirmed in 2014. The planet Kepler-26e was discovered on a much wider orbit in 2014.
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| d | — | 0.039 | 3.543919 | — | — | 1.2 R🜨 |
| b | 5.1±0.7 M🜨 | 0.085 | 12.2829 | — | — | 2.78±0.11 R🜨 |
| c | 6.2±0.7 M🜨 | 0.107 | 17.2513 | — | — | 2.72±0.12 R🜨 |
| e | — | 0.22 | 46.827915 | — | — | 2.1 R🜨 |