J-89473 was a class J planet, an uninhabitable gas giant in the territory of the Borg Collective. It was one of three known planets in System J-361, located in the galaxy's Delta Quadrant. (ST video game: Armada II mission: "Staging Grounds")
History[]
On stardate 54727.7 (2377), the Federation Venture-class scout USS Coltrane detected the staging grounds of the Borg fleet in System J-361 while on a reconnaissance mission. Starfleet dispatched a small fleet, led by the USS Enterprise-E. The fleet found the Collective's staging ground in the gravity well of J-89473. (ST video game: Armada II mission: "Staging Grounds")