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Extrasolar planet in the constellation Orion that orbits the star HD 34445 From Wikipedia, the free encyclopedia
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 about 2 AU from the parent star. However this planet orbits in a very eccentric path. The planet's distance from the star ranges from 0.86 to 3.16 AU however it spends its full orbit within the star's habitable zone.
Discovery | |
---|---|
Discovered by | Howard et al.[1] |
Discovery site | Keck Observatory |
Discovery date | 2004 |
Radial velocity | |
Orbital characteristics | |
2.01 ± 0.01 AU (300,700,000 ± 1,500,000 km) | |
Eccentricity | 0.57 ± 0.06 |
1004 ± 7 d | |
23845 ± 40 | |
135 ± 16 | |
Semi-amplitude | 15.9 ± 1.2 |
Star | HD 34445 |
Other planets that were discovered or confirmed on November 13, 2009: