Original: This difficulty was addressed by Benjamin Apthorp Gould in 1851, who suggested numbering asteroids in their order of discovery, and placing this number in a circle as the symbol for the asteroid, such as for the fourth asteroid, Vesta.
Simplified: This difficulty was addressed by Benjamin Apthorp Gould in 1851, who suggested numbering asteroids in the order that they were found, and placing this number in a circle as the symbol for the asteroid, such as for the fourth asteroid, Vesta.