HD 72659 b

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HD 72659 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 72659
Constellation Hydra
Right ascension (α) 08h 34m 03.1895s
Declination (δ) −01° 34′ 05.583″
Distance 168 ly
(51.4 pc)
Spectral type G0V
Orbital elements
Semimajor axis (a) 4.77 AU
Periastron (q) 3.49 AU
Apastron (Q) 6.05 AU
Eccentricity (e) 0.269±0.038
Orbital period (P) 3630±230 d
(9.94 y)
Orbital speed (υ) 14.3 km/s
Argument of
(ω) 258±13°
Time of periastron (T0) 2451678±89 JD
Semi-amplitude (K) 42.5±1.2 m/s
Physical characteristics
Mass (m) >3.30±0.18 MJ
(>1050 M)
Discovery information
Discovery date 13 June 2002
Discoverer(s) Butler, Marcy, Vogt,
and Fischer
Discovery method Doppler spectroscopy
Discovery site Keck Observatory, Hawaii, USA
Discovery status Published
Other designations
HIP 42030 b
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 72659 b is a superjovian exoplanet[1] massing at least 3.3 MJ orbiting at 4.77 AU from the star taking 3630 days to orbit. The orbital distance range from 3.49 AU to 6.05 AU with orbital eccentricity of 0.269.

See also[edit]


  1. ^ Butler, R. Paul et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570. 

External links[edit]

Coordinates: Sky map 08h 34m 03.1895s, −01° 34′ 05.583″