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Gliese 649 b

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Gliese 649 b
Discovery
Discovered byJohnson et al.
Discovery date2009-12-17
Detection methodRadial velocity
Orbital characteristics
Semi-major axis1.135±0.035 AU
Eccentricity0.30±0.08
Orbital period (sidereal)598.3±4.2 d
Time of periastron12876±22
Argument of periastron352±15
Semi-amplitude12.4±1.1
StarGliese 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.

References

  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. S2CID 119254409.



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