45300 Thewrewk was discovered in 2000 by K. Srneczkya and L. Kiss, the latter of which has made a total of 51 discoveries.
It was discovered on 1 January 2000, by astronomers Krisztian Sarneczky and Laszlo Kiss at the Piszkesteto Station of the Konkoly Observatory in Hungary. K. Sarneczky
L. Kiss Laszlo L. Kiss 51 L. Kiss 
