Gliese 649 b

Gliese 649 b
Discovery
Discovered by	Johnson et al.[1]
Discovery date	2009-12-17
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	1.135±0.035 AU
Eccentricity	0.30±0.08
Orbital period	598.3±4.2 d
Time of periastron	12876±22
Argument of periastron	352±15
Semi-amplitude	12.4±1.1
Star	Gliese 649

Gliese 649 b /ˈɡliːzə/, or Gl 649 b is an extrasolar planet, orbiting the 10th magnitude M-type star Gliese 649, 10 parsecs from earth. This planet is a sub-Jupiter, massing 0.328 Jupiter mass and orbits at 1.135 AU.[1]

References

Johnson, John Asher; et al. (2010). "The California Planet Survey II. A Saturn-Mass Planet Orbiting the M Dwarf Gl649". The Publications of the Astronomical Society of the Pacific. 122 (888): 149–155. arXiv:0912.2730. Bibcode:2010PASP..122..149J. doi:10.1086/651007.

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[Johnson2010-1] Johnson, John Asher; et al. (2010). "The California Planet Survey II. A Saturn-Mass Planet Orbiting the M Dwarf Gl649". The Publications of the Astronomical Society of the Pacific. 122 (888): 149–155. arXiv:0912.2730. Bibcode:2010PASP..122..149J. doi:10.1086/651007.