Off by 0.35% in your morning coffee, no problem. Off from your intended vector by 0.35% when you're moving at 6500 m/s, and you're veering off course by 22 met

Off by 0.35% in your morning coffee, no problem. Off from your intended vector by 0.35% when you're moving at 6500 m/s, and you're veering off course by 22 meters every second.