潛在威脅天體 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "潛在威脅天體" in Chinese language version.

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minorplanetcenter.net

List of the Potentially Hazardous Asteroids (PHAs). Minor Planet Center. [16 January 2018]. （原始内容存档于2016-06-01）.

Unusual Minor Planets – Overview. Minor Planet Center. [16 January 2018]. （原始内容存档于2018-01-25）.

An object's calculated mean-diameter is only a rough estimate. It is inferred from the object's varying brightness—observed and measured at various times—and the assumed, yet often unknown reflectivity of its surface. NASA's Asteroid Size Estimator is a tool for a generic absolute magnitude-to-diameter conversion for an assumed geometric albedo.
NEO Basics – Potentially Hazardous Asteroids (PHAs). CNEOS NASA/JPL. [22 January 2018]. （原始内容存档于2017-02-13）.
Discovery Statistics – Cumulative Totals. CNEOS NASA/JPL. [25 April 2018]. （原始内容存档于2021-03-18）.

JPL Small-Body Database Search Engine: PHAs and orbital class (APO). JPL Solar System Dynamics. [22 January 2018]. （原始内容存档于2019-06-09）.
JPL Small-Body Database Search Engine: PHAs and orbital class (ATE). JPL Solar System Dynamics. [22 January 2018]. （原始内容存档于2019-06-08）.

Task Force on potentially hazardous Near Earth Objects. Report of the Task Force on potentially hazardous Near Earth Objects (PDF). September 2000 [22 January 2018]. （原始内容 (PDF)存档于2016-12-10）.

Task Force on potentially hazardous Near Earth Objects. Report of the Task Force on potentially hazardous Near Earth Objects (PDF). September 2000 [22 January 2018]. （原始内容 (PDF)存档于2016-12-10）.
NEO Basics – Potentially Hazardous Asteroids (PHAs). CNEOS NASA/JPL. [22 January 2018]. （原始内容存档于2017-02-13）.
Discovery Statistics – Cumulative Totals. CNEOS NASA/JPL. [25 April 2018]. （原始内容存档于2021-03-18）.
Unusual Minor Planets – Overview. Minor Planet Center. [16 January 2018]. （原始内容存档于2018-01-25）.
JPL Small-Body Database Search Engine: PHAs and orbital class (APO). JPL Solar System Dynamics. [22 January 2018]. （原始内容存档于2019-06-09）.
JPL Small-Body Database Search Engine: PHAs and orbital class (ATE). JPL Solar System Dynamics. [22 January 2018]. （原始内容存档于2019-06-08）.
List of the Potentially Hazardous Asteroids (PHAs). Minor Planet Center. [16 January 2018]. （原始内容存档于2016-06-01）.
NEO Discovery Statistics. [October 8, 2007]. （原始内容存档于2017-04-03）.
Potentially Hazard Asteroids. [2011-08-06]. （原始内容存档于2017-02-13）.