For faster navigation, this Iframe is preloading the Wikiwand page for HD 219828 b.

HD 219828 b

HD 219828 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 219828
星座 飛馬座
赤经 (α) 23h 18m 46.7353s
赤纬 (δ) +18° 38′ 44.590″
距離264.5 ly (81.1 pc)
光譜類型 G0IV
軌道參數
半長軸 (a) 0.052 AU
軌道離心率 (e) 0.021
公轉週期 (P) 3.8335 ± 0.0013 d
近星點時間 (T0) 2,453,898.6289 ± 0.072 JD
半振幅 (K) 7 ± 50 m/s
物理性质
质量(m)>0.066 MJ
(>21 M🜨)
發現
發現時間 2007年2月18日
發現者 Melo et al.
發現方法 徑向速度
發現地點  智利
發表論文 Published

HD 219828 b是一個位於飛馬座,距離地球約265光年的太陽系外行星。它的質量至少是地球的21倍,稍大於海王星。目前仍不知道HD 219828 b的組成,但它可能是類似天王星海王星巨冰行星或以岩石為主成分的超級地球

外部連結

[编辑]
  • HD 219828 b. The Extrasolar Planets Encyclopaedia. [2012-07-01]. (原始内容存档于2012-05-27). 


{{bottomLinkPreText}} {{bottomLinkText}}
HD 219828 b
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?