HD 169830 c is an extrasolar planet, most likely a gas giant, with a minimum mass three and a half times that of Jupiter. Its orbit is eccentric, with a period (year) of 1830 days.[2] In 2022, the true mass and inclination of HD 169830 c were measured via astrometry.[1]

HD 169830 c

Discovery
Discovered by	Mayor, Udry et al.
Discovery site	Switzerland
Discovery date	30 June 2003
Detection method	Radial velocity
Orbital characteristics[1]
Semi-major axis	3.075+0.132 −0.146 AU
Eccentricity	0.246+0.022 −0.018
Orbital period (sidereal)	4.980+0.016 −0.018 yr
Inclination	24.469°+12.739° −7.205°
Longitude of ascending node	16.522°+25.025° −30.708°
Time of periastron	2451246.392+1.131 −1.167
Argument of periastron	313.483°+6.950° −7.217°
Semi-amplitude	49.041+0.821 −0.726 m/s
Star	HD 169830
Physical characteristics[1]
Mass	7.669+1.937 −2.755 MJ

See also

• HD 169830 b

References

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