Astronomy:HD 59686 b

Short description: Extrasolar planet in the constellation Gemini

HD 59686 b

Discovery
Discovered by	Mitchell et al.
Discovery site	Lick Observatory
Discovery date	November 16, 2003
Detection method	Doppler Spectroscopy
Orbital characteristics
Semi-major axis	0.911 AU (136,300,000 km)
Eccentricity	0
Orbital period	303 d
Star	HD 59686

HD 59686 b is an extrasolar planet that orbits at 91.1% of distance between Earth and the Sun or 0.911 AU in a very circular orbit of the giant star HD 59686.

References

• Mitchell, D.; Frink, S.; Quirrenbach, A.; Fischer, D.; Marcy, G.; Butler, P. (2003). "Four Substellar Companions Found Around Nearby K Giant Stars". Bulletin of the American Astronomical Society 35: 1234. Bibcode: 2003AAS...203.1703M.