The 16 Cygni is a triple star system, located about 69 light years from Earth, located in the constellation of Cygnus. It consists of two Sun-like stars, 16 Cygni A, and 16 Cygni B, complete with an red dwarf star, 16 Cygni C. An extrasolar planet was discovered around 16 Cygni B.

16 Cygni systemEdit


  • Mass: 2.38 ± 0.04 MJ
  • Semimajor Axis: 1.693
  • Orbital period: 799.5 earth days
  • Eccentricity: 0.689 ± 0.011


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