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.
Discovery | |
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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 (sidereal) | 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 MJ (814 ME)) |