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Closest observed approaches of asteroids to Earth

This dataset has made use of data and/or services provided by the International Astronomical Union's Minor Planet Center.

Update frequency: monthly

"The Minor Planet Center (MPC) has been providing the orbits of minor planets in the form of a file, MPCORB.DAT, since the mid '90s (1990s, not 1890s)"

Attachments: http://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html

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