Kepler-91b

Kepler-91b
Discovery
Discovery date	2013
Detection method	Transit (Kepler Mission)
Orbital characteristics
Semi-major axis	0.072+0.007; −0.002 AU
Orbital period (sidereal)	6.24658 d
Inclination	68.5+1.6; −1
Star	Kepler-91
Physical characteristics
Mean radius	1.322+0.094; −0.086 RJ
Mass	0.88+0.33; −0.17 MJ
Mean density	0.44 g/cm3 (0.016 lb/cu in)
Albedo	0.39
Temperature	2132 K

Kepler-91b is a giant planet orbiting Kepler-91, a star slightly more massive than the Sun. Kepler-91 has left the main sequence and is now a red giant branch star.

^ Esteves, Lisa J.; De Mooij, Ernst J. W.; Jayawardhana, Ray (2014). "Changing Phases of Alien Worlds: Probing Atmospheres of Kepler Planets with High-Precision Photometry". The Astrophysical Journal. 804 (2): 150. arXiv:1407.2245. Bibcode:2015ApJ...804..150E. doi:10.1088/0004-637X/804/2/150. S2CID 117798959.

[Esteves-1] Esteves, Lisa J.; De Mooij, Ernst J. W.; Jayawardhana, Ray (2014). "Changing Phases of Alien Worlds: Probing Atmospheres of Kepler Planets with High-Precision Photometry". The Astrophysical Journal. 804 (2): 150. arXiv:1407.2245. Bibcode:2015ApJ...804..150E. doi:10.1088/0004-637X/804/2/150. S2CID 117798959.

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