Comet 186P/Garradd in the constellation Centaurus makes its closest approach to the Earth (3.632 AU) on the 18th April 2018
Comet 186P/Garradd is at Opposition (3.634 AU) on the 14th April 2018.
Comet 186P/Garradd is at Opposition (4.238 AU) on the 5th February 2016
Comet 186P/Garradd makes its closest approach to the Earth (4.310 AU) on the 3rd October, 2011.