Kepler-78b

Kepler-78b
Size comparison of Kepler-78b with Earth
Discovery
Discovery dateNovember 5, 2013
Transit and reflection/emission modulations (Kepler Mission)
Designations
KIC 8435766 b
Orbital characteristics
0.00901+0.00012
−0.00019
 AU
Eccentricity0
0.35500745(8) days
(8.5 hours)
Inclination75.2°+2.6°
−2.1°
StarKepler-78
Physical characteristics
1.228+0.018
−0.019
 R🜨
Mass1.68±0.27 M🜨
Mean density
5.33+0.97
−0.33
 g/cm3
log g = 3.058+0.069
−0.080
 cgs

(1.16 g)
Temperature2223±32 K (1,950 °C, 3,542 °F)

    Kepler-78b (formerly known as KIC 8435766 b) is an exoplanet orbiting around the star Kepler-78. At the time of its discovery, it was the exoplanet most similar to Earth in terms of mass, radius, and mean density.