不確定參數 U (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "不確定參數 U" in Chinese language version.

refsWebsite

Global rank Chinese rank

5web.archive.org

1^st place

1^st place

75^th place

140^th place

1minorplanetcenter.org

low place

low place

minorplanetcenter.org

Uncertainty Parameter U. Minor Planet Center. [2011-11-15]. （原始内容存档于2016-03-03）.

nasa.gov

ssd.jpl.nasa.gov

Definition/Description for SBDB Parameter/Field: condition code. JPL Solar System Dynamics. [2011-11-15]. （原始内容存档于2008-01-10）.
JPL Close-Approach Data: (1994 WR12). 1994-12-31 [2011-04-07]. （原始内容存档于2020-10-29）.

neo.jpl.nasa.gov

Near Earth Objects Close-Approach Uncertainties. NASA/JPL Near-Earth Object Program Office. 2005-08-31 [2011-11-15]. （原始内容存档于2011-11-13）.
Earth Impact Risk Summary: 2004 BX159. NASA/JPL Near-Earth Object Program Office. [2011-11-16]. （原始内容存档于2007-02-18）.

web.archive.org

Uncertainty Parameter U. Minor Planet Center. [2011-11-15]. （原始内容存档于2016-03-03）.
Definition/Description for SBDB Parameter/Field: condition code. JPL Solar System Dynamics. [2011-11-15]. （原始内容存档于2008-01-10）.
Near Earth Objects Close-Approach Uncertainties. NASA/JPL Near-Earth Object Program Office. 2005-08-31 [2011-11-15]. （原始内容存档于2011-11-13）.
Earth Impact Risk Summary: 2004 BX159. NASA/JPL Near-Earth Object Program Office. [2011-11-16]. （原始内容存档于2007-02-18）.
JPL Close-Approach Data: (1994 WR12). 1994-12-31 [2011-04-07]. （原始内容存档于2020-10-29）.