Nu² Canis Majoris b

Artist's impression
Discovery
Discovered by	Wittenmyer, Robert A
Discovery date	December 2011
Detection method	Radial Velocity
Orbital characteristics
Semi-major axis	1.9 ± 0.1 AU (284,000,000 ± 15,000,000 km)
Eccentricity	0.14 ± 0.06
Orbital period (sidereal)	763 ± 17d
Time of periastron	2455520 ± 89
Argument of periastron	12 ± 41
Star	Nu2 Canis Majoris

Nu² Canis Majoris b, (7 CMa b) is awater cloud jovianextrasolar planet orbiting the starNu² Canis Majoris, approximately 64.71 light years away in theconstellation ofCanis Major. It was discovered in 2011 by Wittenmyer, R. byradial velocity.^[1]

• California Institute of Technology."7 CMa b". Retrieved25 January 2014.
• Extrasolar Planets Encyclopaedia."7 CMa b".Extrasolar Planets Encyclopaedia. Retrieved25 January 2014.
• Exoplanet Orbit Database."Exoplanets - Detail View". Retrieved25 January 2014.

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