Planetsave blog entry advises of "...close fly-by on Wednesday night researchers will have a good opportunity to learn more about the asteroid, getting a better idea of its future trajectory." You shouldn't worry about stepping outside as blog adds: "it [Apophis] probably won’t be visible with ‘backyard’ type telescopes." Another blog reports Apophis much bigger than previously thought here. Are odds greater for Apophis striking Earth in 2036? Apophis is Greek name for evil god of death, destruction and chaos! Is the name 99942 Apophis of significance?