Nu2 Canis Majoris b, (7 CMa b) is a water cloud jovian extrasolar planet orbiting the star Nu2 Canis Majoris, approximately 64.71 light years away in the constellation of Canis Major. The planet is thought to be inside the habitable zone with an orbit around its parent star of 1.9 AU. It was discovered in 2011 by Wittenmyer, R. by radial velocity.

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 ± 17 d
Time of periastron	2455520 ± 89
Argument of periastron	12 ± 41
Star	Nu2 Canis Majoris
Physical characteristics
Temperature	232

External links

• California Institute of Technology. "7 CMa b". Retrieved 25 January 2014.
• Extrasolar Planets Encyclopaedia. "7 CMa b". Retrieved 25 January 2014.
• Exoplanet Orbit Database. "Exoplanets - Detail View". Retrieved 25 January 2014.

References

• Wittenmyer; Endl, M.; Wang, L.; Johnson, J. A.W.; Tinney, C.G.; O'Toole, S.J. (2011). "The Pan-Pacific Planet Search. I. A Giant Planet Orbiting 7 CMa". The Astrophysical Journal (abstract). 743 (2): 7. arXiv:astro-ph/0703672. Bibcode:2011ApJ...743..184W. doi:10.1088/0004-637X/743/2/184. S2CID 26948630. {{cite journal}}: |format= requires |url= (help)

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