 Brighter objects in the same launch were given the lower integer number, and Alpha was given since it was the first launch of the year.The Harvard designation system continued to be used for satellites launched up to the end of 1962, when it was replaced with the modern system.The first satellite to receive a new-format designator was Luna E-6 No.2, 1963-001B, although some sources, including the NSSDC website, anachronistically apply the new-format designators to older satellites, even those no longer in orbit at the time of its introduction.