HD 41004 Ab

HD 41004 Ab

Infobox Planet
bgcolour = #A0B0FF
name = HD 41004 Ab
discovery = yes
discoverer = Zucker et al.
discovered = 2003-2004
discovery_method = radial velocity
designations = yes
alt_names = HIP 28393 b
SAO 217660 b
semimajor = 1.70 AU
(254 Gm)
(8.24 μpc)
periastron = 0.44 AU
(66 Gm)
(2.13 μpc)
apoastron = 2.96 AU
(443 Gm)
(14.35 μpc)
avg_speed = 19.3 km/s
eccentricity = 0.74±0.20
period = 963±38 d
(2.64 y)
(83.2 Ms)
angular_dist = 40 mas
long_periastron = 97±31°
time_periastron = 2452425±37 JD
semi-amplitude = 99±60 m/s
physical_characteristics = yes
mass = >2.56 "M"J
(814 "M"E))
radius = ~1.062
(11.53 "R"E)
(73.46 Mm)
density = ~2.83 g/cm3
surface_grav = ~58.8 m/s2
(5.99 g)
insolation = 139.6 W/m2
(0.1022 "I"E)
single_temperature = ~145 K

HD 41004 Ab is an extrasolar planet approximately 139 light years away in the constellation of Pictor. It has mass 2.56 MJ planet orbiting at a distance of 1.70 AU from HD 41004 A. The planet's orbit is highly eccentric caused by the companion star HD 41004 B and the distance ranges from 0.44 to 2.96 astronomical units.

External links

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