HD 72659 b

HD 72659 b is a superjovian exoplanet massing at least 3.3 M_J orbiting at 4.77 AU from the star, taking 3630 days to complete one orbit. The orbital distance range from 3.49 AU to 6.05 AU with orbital eccentricity of 0.269.^[2] In 2022, the inclination and true mass of HD 72659 b were measured via astrometry.^[1]

HD 72659 b

Discovery
Discovered by	Butler, Marcy, Vogt, and Fischer
Discovery site	Keck Observatory, Hawaii, United States
Discovery date	13 June 2002
Detection method	Doppler spectroscopy
Orbital characteristics[1]
Semi-major axis	4.691+0.185 −0.202 AU
Eccentricity	0.257+0.014 −0.016
Orbital period (sidereal)	9.718+0.052 −0.043 yr
Inclination	77.583°+39.898° −39.755°
Longitude of ascending node	204.866°+69.102° −68.721°
Time of periastron	2448147.062+43.195 −47.937
Argument of periastron	259.451°+3.318° −3.560°
Semi-amplitude	37.908+0.613 −0.551 m/s
Star	HD 72659
Physical characteristics[1]
Mass	2.988+2.586 −0.098 MJ

See also

• HD 73256