List of asteroid close approaches to Earth in 2009 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "List of asteroid close approaches to Earth in 2009" in English language version.

refsWebsite

Global rank English rank

75^th place

83^rd place

1minorplanetcenter.net

1,397^th place

1,604^th place

minorplanetcenter.net (Global: 1,397^th place; English: 1,604^th place)

"MPC Database". IAU Minor Planet Center. International Astronomical Union. Retrieved 1 January 2021.

nasa.gov (Global: 75^th place; English: 83^rd place)

ssd.jpl.nasa.gov

Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km.
"JPL Small-Body Database Browser". JPL Solar System Dynamics. NASA Jet Propulsion Laboratory.

cneos.jpl.nasa.gov

"NEO Earth Close Approaches". NASA/JPL CNEOS. Retrieved 27 February 2025.