The name 1987 FD refers to the:
A)fourth asteroid to be discovered in the month of February 1987.
B)sixth asteroid to be discovered in the month of April 1987.
C)1987th asteroid ever to be discovered, named after Frances Draibre.
D)fourth asteroid to be discovered during the second half of March 1987.

Question

Quizplus · Accepted Answer

The name 1987 FD indicates it was the fourth asteroid discovered during the second half of March 1987. The year is given first (1987), followed by a letter for the half-month of discovery (F for the second half of March), and a sequential letter indicating its order of discovery (D for the fourth discovery).

The Name 1987 FD Refers to The