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WikiPedia: (181708) 1993 FW http://web.gps.caltech.edu/~mbrown/dps.html http://adsabs.harvard.edu/abs/1993IAUC.5730....1L http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&b... http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=181708 http://www.johnstonsarchive.net/index.html http://www.webcitation.org/6VPwjAe8E?url=http://ww... http://www.independent.co.uk/news/uk/space-body-gi... https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=181708#cont... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=181708#disc...