Kepler-56 is a star in the constellation of Cygnus. It has a slightly more larger mass than our Sun. It has two confirmed planets. One planet is slightly smaller than Neptune, while the other is slightly smaller than Saturn. Both planets were discovered in 2012.


  • Constellation: Cygnus
  • Right ascension: 19h 35m 02s
  • Declination: +41° 52′ 19″
  • Apparent magnitude: 13
  • Mass: 1.37 Solar mass
  • Radius: 3.14 Solar radius
  • Temperature: 4940 °K (8432 °F, 4666 °C)

Planetary systemEdit

In 2012, a planetary system was discovered around Kepler-56 via transit method. Planets were subsequently confirmed through transit timing variation method.


  • Mass: 0.07 MJ (Jupiter mass)
  • Semimajor axis: 0.1028 AU
  • Orbital period: 10.5034294 days
  • Inclination: 79.640°
  • Radius: 3.606495320 R⊕ (Earth radius)


  • Mass: 0.569 MJ (Jupiter mass)
  • Semimajor axis: 0.1652 AU
  • Orbital period: 21.4050484 days
  • Inclination: 81.930°
  • Radius: 7.844702558 R⊕ (Earth radius)

d (unconfirmed)Edit

  • Mass: 3.3 MJ (Jupiter mass)
  • Semimajor axis: 2 AU
  • Eccentricity: 0.4


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