HD 180902 b

HD 180902 b
Discovery
Discovered byJohnson et al.
Discovery siteKeck Observatory
Discovery date2010
Doppler spectroscopy
Orbital characteristics
1.40±0.11 AU
Eccentricity0.107±0.022
510.9±1.5 d
2455055±17 JD
181±12 º
Semi-amplitude34.25±0.84 m/s
StarHD 180902
Physical characteristics
1.221 RJ
Mass≥1.685±0.041 MJ

    HD 180902 b is an extrasolar planet orbiting the K-type star HD 180902 approximately 342 light years away in the constellation Sagittarius.

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