Discovery date October 19, 2009 Discovery site La Silla Observatory | Discoverer(s) Segransan et al. Discovery status Unpublished | |
HD 9578 b is an extrasolar planet which orbits the G-type main sequence star HD 9578, located approximately 187 light years away in the constellation Sculptor. This planet has at least five-eighths the mass of Jupiter and takes four-thirds years to orbit the star at a semimajor axis of 1.27 AU. However unlike most other known exoplanets, its eccentricity is not known, but it is typical that its inclination is not known. This planet was detected by HARPS on October 19, 2009, together with 29 other planets.
References
HD 9578 b Wikipedia(Text) CC BY-SA