August 15, 2002 when it fired its Star 30BP solid rocket motor to inject itself into solar orbit. Image gallery References External links 73P, bt fragment via Virtual Telescope Project Hubble provides spectacular detail of a comet's breakup 73P at Kronk's Cometography Mini-comets approaching Earth (NASA) Sky and Telescope article 73P/Schwassmann–Wachmann at ESA/Hubble 73P/Schwassmann–Wachmann 3 (2022) aerith.net 73P-c Lightcurve (Artyom Novichonok) Periodic comets 073P 0073 Split comets Articles containing video clips Comets in 2011 Comets in 2017 Comets in 2022 19300502