HD 45364 b

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HD 45364 b
Exoplanet List of exoplanets
Parent star
Star HD 45364
Constellation Canis Major
Right ascension (α) 06h 25m 38.48s[1]
Declination (δ) −31° 28′ 51.4″[1]
Apparent magnitude (mV) 8.07
Distance 107 ± 2[1] ly
(32.7 ± 0.7[1] pc)
Spectral type G9V
Orbital elements
Semi-major axis (a) 0.6813 AU
Periastron (q) 0.5666 AU
Apastron (Q) 0.7960 AU
Eccentricity (e) 0.1684 ± 0.019
Orbital period (P) 226.93 ± 0.37 d
(0.62129 ± 0.00101 y)
Argument of
(ω) 162.58 ± 6.34°
Time of periastron (T0) 2453500 JD
Physical characteristics
Minimum mass (m sin i) 0.1872 MJ
Discovery information
Discovery date August 8, 2008
Discoverer(s) Correia et al.[2]
Discovery method Doppler spectroscopy
using HARPS
Discovery site La Silla Observatory
Discovery status Published[2]
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 45364 b is an extrasolar planet located approximately 107 light years away[1] in the constellation of Canis Major, orbiting the 8th magnitude G-type main sequence star HD 45364. Its minimum mass is 63% that of Saturn or 19% that of Jupiter. It takes 227 days to orbit the star at a distance 68% that of Earth’s distance from the Sun.[2] This planet was discovered by HARPS on August 8, 2008 and announced together with HD 45364 c. It is located in a 3:2 orbital resonance with HD 45364 c.


Coordinates: Sky map 06h 25m 38s, −31° 28′ 51″