HD 34445 b

HD 34445 b is an extrasolar planet which orbits the G-type star HD 34445, located approximately 150.5 light years away in the constellation Orion. This planet was discovered in 2004 and finally confirmed in 2009. This planet has a minimum mass two-thirds that of Jupiter and orbits in a roughly circular orbit about 2 AU from the parent star, within the habitable zone.

HD 34445 b

Discovery
Discovered by	Howard et al.[1]
Discovery site	Keck Observatory
Discovery date	2004
Detection method	Radial velocity
Orbital characteristics[2]
Semi-major axis	2.106+0.038 −0.040 AU
Eccentricity	0.103+0.059 −0.056
Orbital period (sidereal)	1059.0+5.5 −5.6 d
Argument of periastron	47.0°+33.0° −130.0°
Semi-amplitude	12.35+0.63 −0.65 m/s
Star	HD 34445
Physical characteristics
Mass	≥0.658+0.04 −0.04 MJ

See also

Other planets that were discovered or confirmed on November 13, 2009:

• HD 126614 Ab
• HD 13931 b
• Gliese 179 b