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HD 222582 b

Summary

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.[2]

HD 222582 b
Discovery[1][2]
Discovered byCalifornia and
Carnegie Planet Search
Discovery siteW. M. Keck Observatory
Discovery dateNovember 1, 1999
Doppler spectroscopy
Orbital characteristics
1.35 AU (202,000,000 km)
Eccentricity0.76
572 d
2,450,174.8
293
Semi-amplitude276.6
StarHD 222582
Physical characteristics
Mean radius
1.12 [3] RJ Estimate
Mass8.37 [4] MJ

See also edit

References edit

  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. ^ a b 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
  • Gimenez; A. (2000). "uvby Photometry of stars with planets". Astronomy and Astrophysics. 356: 213. Bibcode:2000A&A...356..213G. Archived from the original on 2011-09-28. Retrieved 2011-08-16.
  • Han; Black, David C.; Gatewood, George (2001). "Preliminary astrometric masses for proposed exrasolar planetary companions". The Astrophysical Journal Letters. 548 (1): L57–L60. Bibcode:2001ApJ...548L..57H. doi:10.1086/318927.

External links edit

  • "Notes for planet HD 222582 b". Extrasolar Planets Encyclopaedia.
  • "HD 222582". Exoplanets. Archived from the original on 2010-03-17. Retrieved 2008-09-10. Simulation
  • "Location". planetquest1.jpl.nasa.gov. Archived from the original on 2011-07-26.
  • "Curve". exoplanets.org. Archived from the original on 2010-06-11.
  • "Notes for planet HD 222582 b". www.astrocosmos.net. Archived from the original on 2012-12-09.