HD 72659 b is a superjovian exoplanet massing at least 3.3 MJ orbiting at 4.77 AU from the star taking 3630 days to 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]
Discovery | |
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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 |