编辑“︁HD 100777 b”︁

{{Infobox Planet
| bgcolour = #A0B0FF
| image =
| caption =
| name = HD 100777b
| parent star = yes
| star = HD 100777
| planet = 
| constell = 狮子座
| distance = 172.2光年
| RA = {{RA|11|35|51.5234}}
| DEC = {{DEC|-04|45|20.509}}
| class = K0IV
| discovery = yes
| discovery_ref = 
| discoverer = 多米尼克·纳伊夫等人
| discovered = 2007年3月5日
| discovery_method = 视向速度法
| semimajor = 1.03 ± 0.03天文单位
| semiminor = 0.659天文单位
| orbital_circ = 
| eccentricity = 0.36 ± 0.02
| period = 383.7 ± 1.2地球日
| inclination = 
| long_periastron = 202.7 ± 3.0°
| time_periastron = 2,453,456.2 ± 2.3儒略日
| semi-amp = 34.9 ± 0.8m/s
| physical_characteristics = yes
| mean_radius = 
| density = 
| surface_grav = 
| mass = 
| minimum_mass = 1.17 ± 0.02[[木星质量|''M''<sub>''J''</sub>]]
| single_temperature = 
| magnitude =
}}

'''HD 100777b'''是一颗位于[[狮子座]]、距离地球约172光年的系外行星，其母星为HD 100777。该行星的质量下限为1.17[[木星质量|''M''<sub>''J''</sub>]]，其轨道周期为3.315×10<sup>7</sup>秒，其轨道距离中央恒星约1亿5410万公里，轨道离心率为0.36。该行星的轨道速度为29.3公里/秒。2007年3月，多米尼克·纳伊夫在智利通过高精度径向速度行星搜索器发现了该行星。

== 参见 ==
* [[HD 190647b]]
* [[HD 221287b]]

== 参考文献 ==
* {{Cite journal | url=http://www.aanda.org/articles/aa/abs/2007/29/aa7361-07/aa7361-07.html | title=The HARPS search for southern extra-solar planets IX. Exoplanets orbiting HD 100777 , HD 190647 , and HD 221287 | author=Naef ''et al.'' | journal=[[Astronomy and Astrophysics]] | year=2007 | volume=470 | issue=2 | pages=721–726 | doi=10.1051/0004-6361:20077361 | format=abstract | access-date=2009-07-11 | archive-date=2020-07-16 | archive-url=https://web.archive.org/web/20200716002217/https://www.aanda.org/articles/aa/abs/2007/29/aa7361-07/aa7361-07.html | dead-url=no }} ([http://arxiv.org/abs/0704.0917 web preprint]{{Wayback|url=http://arxiv.org/abs/0704.0917 |date=20161111061114 }})

== 外部链接 ==
* {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+100777 | title=HD 100777 | work=Exoplanets | access-date=2009-07-11 | archive-url=https://web.archive.org/web/20091125015137/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+100777 | archive-date=2009-11-25 | dead-url=yes }}
{{Sky|11|35|51.5234|-|04|45|20.509|172.2}}
{{系外行星小作品}}

[[Category:太阳系外行星]]
[[Category:2007年发现的系外行星]]
[[Category:类木行星]]
[[Category:狮子座]]