1862 Apollo
1862 Apollo is an asteroid, discovered by Karl Reinmuth in 1932, but lost and not recovered until 1973.It is the namesake of the Apollo asteroids, and the first one discovered, although because it was lost for a time its asteroid number (1862) is higher than that of some other Apollo asteroids such as 1566 Icarus.
It was the first asteroid recognized to cross Earth's orbit (although the earlier-discovered 887 Alinda is now known to do so as well).