HD 82943 b is an extrasolar planet approximately 89 light-years away in the constellation of Hydra. The planet was announced in 2000 by the Geneva Extrasolar Planet Search Team.[1] The planet is the outermost planet of two.[2]

HD 82943 b
Discovery
Discovered byMayor, Udry et al.
Discovery site France
Discovery dateApril 15, 2000[1]
Doppler spectroscopy
Orbital characteristics
1.19 AU (178,000,000 km)
Eccentricity0.219
441.2 d
1373.1
284
Semi-amplitude59.3 ± 5.2
StarHD 82943

See also

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References

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  1. ^ a b "Exoplanets Galore!" (Press release). Garching, Germany: European Southern Observatory. April 15, 2000. Retrieved December 30, 2012.
  2. ^ Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250. S2CID 5233877.
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