HD 43691 b

HD 43691 b is a massive jovian planet located approximately 280 light-years away in the constellation of Auriga. Because the inclination is unknown, only the minimum mass is known. The planet orbits close to the star, closer than Mercury to the Sun.

HD 43691 b

Discovery
Discovered by	Da Silva et al.[1]
Discovery site	ELODIE planet-search program
Discovery date	July 6th, 2007
Detection method	Doppler spectroscopy
Orbital characteristics
Semi-major axis	0.238±0.015 AU
Eccentricity	0.0796±0.0067[2]
Orbital period (sidereal)	36.9987±0.0011[2] d
Time of periastron	2463048.04±0.49[2]
Argument of periastron	292.7±4.8[2]
Semi-amplitude	130.06±0.84[2]
Star	HD 43691