“After Earth” is quickly losing its orbit. The Will Smith movie, directed by M. Night Shyamalan, was a dud upon release last Friday. But yesterday– Thursday– the box office bottom dropped out. “After Earth” took a sudden dip to fifth place, rapidly losing steam on “date night” as movie goers finally rejected it completely. “After Earth” actually lost ground to Fox’s animated “Epic,” which picked up 25% more ticket goers from Wednesday and jumped into third place. “After Earth” is likely to drop substantially tonight, with figures this weekend that should just about kill it domestically. So far “After Earth”– which carries a price tag of $150 million approximately– has $36 million in the till. Its only foreign release so far is South Korea. Stay tuned for the final numbers on Sunday and what they mean…