Kepler-34b

Kepler-34b (formally Kepler-34(AB)b) is a circumbinary planet announced with Kepler-35b. It is a small gas giant that orbits every ~288 days around two stars. Despite the planet's relatively long orbital period, its existence could be confirmed quickly due to transiting both of its host stars.

    Kepler-34b
    Discovery
    Discovery date01-11-2012
    Transit (Kepler Mission)
    Orbital characteristics
    Epoch BJD 2454969.2000
    1.0896 ± 0.0009 AU (163,000,000 ± 130,000 km)
    Eccentricity0.182 +0.0016
    −0.0020
    288.822 +0.063
    −0.081     d
    Inclination90.355 +0.026
    −0.018
    −1.74 +0.14
    −0.16
    106.5 +2.5
    −2.0
    StarKepler-34
    Physical characteristics
    Mean radius
    		0.764 +0.0012
    −0.0014     RJ
    8.56 R⊕
    Mass0.220 +0.011
    −0.010     MJ
    (69.9 M⊕)
    Mean density
    		0.613 +0.045
    −0.041     g cm−3
    936 +57
    −54     m/s²
    Temperature323
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