HD 2039 b is an extrasolar planet orbiting the star HD 2039. It is almost five times as massive as Jupiter and has a very eccentric orbit.[1][2]

HD 2039 b
Discovery
Discovered byTinney, Butler, Marcy
Discovery date2002
Doppler Spectroscopy
Orbital characteristics
2.19 ± 0.2 AU (328,000,000 ± 30,000,000 km)
Eccentricity0.68 ± 0.15
1192.582 ± 150 d
2449645.48 ± 150
223
Semi-amplitude153 ± 22
StarHD 2039

References

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  1. ^ Tinney, C. G.; et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal. 587 (1): 423–428. arXiv:astro-ph/0207128. Bibcode:2003ApJ...587..423T. doi:10.1086/368068.
  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.
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