16 Cygni Bb
Astronomical discovery
16 Cygni Bb or HD 186427 b is an extrasolar planet approximately 69 light-years away in the constellation of Cygnus. The planet was discovered orbiting the Sun-like star 16 Cygni B, one of two solar-mass components of the triple star system 16... Wikipedia
Discoverers: Geoffrey Marcy, Artie P. Hatzes, William D. Cochran, and more
Orbits: 16 Cygni
Discovered: October 22, 1996
Eccentricity: 0.689 ± 0.011
Mass: 2.38 ± 0.04 MJ
Orbital period (sidereal): 798.5 ± 1.0 d
Semi-major axis: 1.681 ± 0.097 AU (251,500,000 ± 14,500,000 km)