HD 4203 b

HD 4203 b
Discovery
Discovered byVogt et al.
Discovery siteKeck telescope
Discovery date15 October 2001
radial velocity
Orbital characteristics
Apastron3.14 AU (470,000,000 km)
Periastron0.996 AU (149,000,000 km)
2.07 ± 0.13 AU (310,000,000 ± 19,000,000 km)
Eccentricity0.519 ± 0.027
431.88 ± 0.85 d
1.1824 y
2,451,918.9 ± 2.7
329.1 ± 3.1
Semi-amplitude60.3 ± 2.2
StarHD 4203
Physical characteristics
Mass>1.16 MJ
(>369 ME)

HD 4203 b is an exoplanet more massive than Jupiter. It orbits two times further from the star than Earth to the Sun. The planet takes 1.1824 year to orbit the star very eccentrically from 1.00 AU to 3.14 AU. The planet was discovered by Steve Vogt using the Keck telescope.[1][2]

See also

References

  1. ^ Vogt, Steven S.; et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal. 568 (1): 352–362. arXiv:astro-ph/0110378. Bibcode:2002ApJ...568..352V. doi:10.1086/338768. S2CID 2272917.
  2. ^ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. S2CID 119067572.



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