HD 169830 c

HD 169830 c
Discovery
Discovered by	Mayor, Udry et al.
Discovery site	Switzerland
Discovery date	30 June 2003
Detection method	Radial velocity
Orbital characteristics
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
Mass	7.669+1.937; −2.755 MJ

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]

^ ^a ^b ^c Cite error: The named reference Feng2022 was invoked but never defined (see the help page).
^ Cite error: The named reference Mayor2004 was invoked but never defined (see the help page).

[Feng2022-1] Cite error: The named reference Feng2022 was invoked but never defined (see the help page).

[Mayor2004-2] Cite error: The named reference Mayor2004 was invoked but never defined (see the help page).

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