| 词条 | HD 215497 b |
| 释义 |
| name = HD 215497 b | discoverer = Lo Curto et al. | discovery_site = La Silla Observatory | discovered = October 19, 2009 | discovery_method = Radial velocity (HARPS) | apsis = astron | semimajor = {{convert|0.047|AU|km|abbr=on}} | eccentricity = 0.16 ± 0.09 | period = 3.93404 ± 0.00066 d | time_periastron = 2,454,858.95 ± 0.37 | arg_peri = 96 ± 34 | semi-amplitude = 2.98 ± 0.34 | star = HD 215497 }} HD 215497 b is an extrasolar planet which orbits the K-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least 6.6 times the mass of Earth. This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 215497 c. References}}{{Sky|22|46|36.7543|-|56|35|58.322|142}}{{HD 215497}}{{extrasolar-planet-stub}} 6 : Exoplanets|Exoplanets discovered in 2009|Exoplanets detected by radial velocity|Terrestrial planets|Super-Earths|Tucana (constellation) |
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