Cybele group

Three of the outer-belt groups—the Cybeles, the Hildas, and Thule—are named for the lowest-numbered asteroid in each group. Members of the fourth group are called Trojan asteroids (see below). By 2023 there were more than 2,000 Cybeles, almost 6,000 Hildas, 3 Thules, and more than 13,000 Trojans. Those groups should…