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HD 222582 b

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Extrasolar planet
HD 222582 b
Discovery
Discovered byCalifornia and
Carnegie Planet Search
Discovery siteW. M. Keck Observatory
Discovery dateNovember 1, 1999
Detection methodDoppler spectroscopy
Orbital characteristics
Semi-major axis1.35 AU (202,000,000 km)
Eccentricity0.76
Orbital period (sidereal)572 d
Time of periastron2,450,174.8
Argument of periastron293
Semi-amplitude276.6
StarHD 222582
Physical characteristics
Mean radius1.12 RJ Estimate
Mass8.37 MJ

HD 222582 b is an extrasolar planet that is 8.37 times the mass of Jupiter orbiting the star HD 222582. The orbital period is 572 days and orbits at a semimajor axis of 1.35 AU in one of the most eccentric orbits of the known planets.

See also

References

  1. "Astronomers discover six new planets orbiting nearby stars" (Press release). Kamuela, Hawaii: W. M. Keck Observatory. November 1, 1999. Retrieved December 19, 2017.
  2. ^ Vogt, Steven S.; et al. (2000). "Six New Planets from the Keck Precision Velocity Survey". The Astrophysical Journal. 536 (2): 902–914. arXiv:astro-ph/9911506. Bibcode:2000ApJ...536..902V. doi:10.1086/308981. S2CID 119375519.
  3. NASA.gov
  4. NASA.gov

External links


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