HD 41004 Ab

HD 41004 Ab is an extrasolar planet approximately 139 light years away in the constellation of Pictor. It has mass 2.56 M_J 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.

HD 41004 Ab
Discovery
Discovered by	Zucker et al.
Discovery date	2003-2004
Detection method	radial velocity
Designations
Alternative names	HIP 28393 b SAO 217660 b
Orbital characteristics
Periastron	0.44 AU (66 Gm) (2.13 μpc)
Apoastron	2.96 AU (443 Gm) (14.35 μpc)
Semi-major axis	1.70 AU (254 Gm) (8.24 μpc)
Eccentricity	0.39±0.17
Orbital period	963±38 d (2.64 y) (83.2 Ms)
Angular distance	40 mas
Longitude of perihelion	97±31°
Time of perihelion	2452425±37 JD
Semi-amplitude	99±60 m/s
Star	HD 41004
Physical characteristics
Mass	>2.56 M_J (814 M_E))

References

External links

"HD 41004 Ab". The Extrasolar Planets Encyclopaedia. Retrieved 2008-07-21.

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