| 词条 | HD 240210 b |
| 释义 |
| name = HD 240210 b | discoverer = Niedzielski et al. | discovery_site = La Silla Observatory | discovered = June 10, 2009 | discovery_method = radial velocity | apsis = astron | aphelion = {{convert|1.53|AU|km|abbr=on}} | perihelion = {{convert|1.13|AU|km|abbr=on}} | semimajor = {{convert|1.33|AU|km|abbr=on}} | eccentricity = 0.15 ± 0.02 | period = 501.75 ± 2.33 d 1.3737 ± 0.0064 y | time_periastron = 54486.73 ± 10.93 | arg_peri = 277.49 ± 7.77 | star = HD 240210 }} HD 240210 b is a 6.9 Jupiter-mass exoplanet discovered on June 10, 2009 by Niedzielski et al. using the Hobby-Eberly Telescope. It orbits the K3 giant star HD 240210 in the constellation of Cassiopeia. Its average orbital separation is at 1.33 Astronomical Units away from its star with a year of 501.75 days. See also
References}}{{extrasolar-planet-stub}} 5 : Exoplanets|Exoplanets discovered in 2009|Giant planets|Cassiopeia (constellation)|Exoplanets detected by radial velocity |
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