Original: Simon F. Green and John K. Davies , while searching Infrared Astronomical Satellite ( IRAS ) data for moving objects , discovered 3200 Phaethon ( 1983 TB ) in images from October 11 , 1983 .
Simplified: It will draw nearer in 2017 , 2050 , 2060 , and closer still on December 14 , 2093 , passing within 0.0198 AU ( 3.0 Gm ) .