HD 82943 c

HD 82943 c is an extrasolar planet approximately 89 light-years away in the constellation of Hydra. The planet was announced in 2001 to be orbiting the yellow dwarf star HD 82943.^[1] The planet is the innermost planet of two.^[2]

HD 82943 c

Discovery
Discovered by	Mayor, Udry et al.
Discovery site	France
Discovery date	2001
Detection method	Doppler spectroscopy
Orbital characteristics
Semi-major axis	0.746 AU (111,600,000 km)
Eccentricity	0.359
Orbital period (sidereal)	219 d
Time of periastron	1189.3
Argument of periastron	127
Semi-amplitude	41.7 ± 0.91
Star	HD 82943

See also

• HD 82943 b